A drone is like a robot that can fly or move on water without a person inside. Someone controls it from far away, or it can fly by itself using a computer. People use drones for many things, such as taking pictures from the sky or delivering packages. The word "drone" can also describe a continuous, low sound, like a buzzing bee. It can also mean a way of speaking that is boring because it doesn't change much.
The noun drone at a C1 CEFR level signifies a multifaceted term beyond its common B2 understanding. While still referring to an unmanned vehicle, particularly an aircraft, its C1 usage often extends to more sophisticated, often military or industrial applications, highlighting its increasing societal and technological impact. Furthermore, the concept of a continuous, low humming sound, or a monotonous speech pattern, carries a more nuanced metaphorical weight, frequently implying tediousness, subservience, or a lack of individual agency in various contexts. Understanding these broader applications and subtle connotations is key to mastering the C1 usage of "drone."
The noun drone, at a C2 CEFR level, encompasses a sophisticated understanding of its varied applications and nuanced connotations beyond the basic definition. While primarily referring to an unmanned vehicle, particularly aircraft, capable of autonomous operation or remote guidance, its semantic range extends significantly.
Metaphorically, it evokes the concept of automated, often repetitive, action or observation, hinting at themes of surveillance, efficiency, or even detachment. Furthermore, its application to a continuous low humming sound or a monotonous vocal delivery speaks to a deeper comprehension of how sensory experiences are linguistically mapped to describe mechanical or human characteristics.
This dual nature—both a physical entity and an auditory descriptor—highlights the English language's capacity for polysemy and the rich interconnectivity of sensory and technological lexicons.
A C2 understanding would involve not just recalling these definitions but also discerning their context-dependent implications, such as the social, ethical, or even psychological impact associated with each usage, like the implications of constant surveillance or the weariness induced by monotonous speech.
drone 30秒了解
- Unmanned vehicle
- Low humming sound
- Monotonous speech
§ Understanding 'Drone'
The word 'drone' is a versatile noun with a couple of distinct meanings, both commonly encountered in English. It's classified at a CEFR B2 level, meaning it's a word that intermediate to upper-intermediate learners should be familiar with and be able to use effectively. Let's break down its various applications and nuances.
- DEFINITION
- A drone is an unmanned aircraft or ship that can navigate autonomously or be guided by a remote control. It is also used to describe a continuous low humming sound or a monotonous way of speaking.
§ Meaning 1: Unmanned Vehicle
This is perhaps the most contemporary and frequently used meaning of 'drone'. It refers to a vehicle, typically an aircraft, that operates without a human pilot on board. These can range from small recreational devices to large military or surveillance aircraft. The key characteristic is their remote operation or autonomous navigation.
When using 'drone' in this context, it generally functions as a standalone noun. There aren't many specific prepositions inherently tied to its use as an unmanned vehicle, but you might find it used with prepositions describing location, purpose, or control.
- Common phrases:
"flying a drone"
"a drone strike"
"drone footage"
The photographer used a drone to capture breathtaking aerial views of the landscape.
Military officials confirmed that a drone was deployed for surveillance over the border.
Delivery services are experimenting with small drones to transport packages.
§ Meaning 2: Sound or Voice
The second meaning of 'drone' describes a continuous, low, monotonous sound. This can be the sound made by an engine, an insect, or even a person's voice when they speak in a flat, unvarying tone. This usage often carries a connotation of dullness or annoyance.
When used to describe a sound, 'drone' can be followed by prepositions like 'of' to specify the source of the sound, or 'on' when referring to a continuous, boring speech.
- Common phrases:
"the drone of engines"
"a monotonous drone"
"drone on (about something)"
The constant drone of the air conditioner made it hard to concentrate.
He delivered his speech in a dull drone, failing to captivate the audience.
The professor tends to drone on about obscure historical facts.
§ Grammatical Considerations
'Drone' as a noun is typically countable, meaning it can be singular ('a drone') or plural ('drones').
- Singular: A drone flew overhead.
- Plural: Drones are becoming more common.
It can function as the subject or object of a sentence. It can also be modified by adjectives to give more specific details.
The small drone hovered silently.
I couldn't stand the incessant drone of his voice.
In summary, 'drone' is a versatile word with two primary meanings that are quite distinct. Paying attention to the context will help you correctly understand and use it. Its B2 CEFR level indicates its importance for intermediate English speakers to master for effective communication.
需要掌握的语法
Nouns can be countable or uncountable. 'Drone' can be both. When referring to the aircraft, it's countable (e.g., 'many drones'). When referring to the sound, it's often uncountable (e.g., 'the drone of the engine').
The company uses drones for aerial surveillance. I could hear the drone of the air conditioner all night.
Nouns can function as subjects or objects in a sentence. Here, 'drone' acts as a subject in the first part of the definition and can also be an object.
A drone flew over the field. We saw a drone in the sky.
Nouns can be modified by adjectives. In the definition, 'unmanned' and 'continuous low humming' are adjectives modifying 'aircraft/ship' and 'sound' respectively, both relating to the noun 'drone'.
The unmanned drone hovered silently. The monotonous drone of his voice put everyone to sleep.
Nouns can form possessives to show ownership or relationship. This is typically done by adding an apostrophe and 's' ('s) for singular nouns or just an apostrophe (') for plural nouns ending in 's'.
The drone's camera captured stunning images. The drones' mission was successful.
Nouns can be used in apposition, where a noun or noun phrase is placed next to another noun to explain or identify it. In the definition, the phrases explaining what a drone is (e.g., 'an unmanned aircraft') are in apposition to the word 'drone'.
My brother, a drone enthusiast, spent hours assembling his new model.
按水平分级的例句
The military uses drones for surveillance.
מבצעים צבאיים משתמשים ברחפנים לצורך מעקב.
Simple present tense, subject-verb agreement.
A small drone flew over our heads at the park.
רחפן קטן טס מעל ראשינו בפארק.
Simple past tense, prepositional phrase 'over our heads'.
The drone of the refrigerator was a constant background noise.
זמזום המקרר היה רעש רקע קבוע.
Noun 'drone' used to describe a sound, simple past tense.
He spoke in a monotone, almost a drone, which made it hard to listen.
הוא דיבר בטון אחיד, כמעט כמו זמזום, מה שהקשה להקשיב לו.
Noun 'drone' used metaphorically for speech, past tense verbs.
Many photographers use drones to get amazing aerial shots.
צלמים רבים משתמשים ברחפנים כדי לקבל תמונות אוויר מדהימות.
Simple present tense, plural noun 'photographers' and 'drones'.
The package was delivered by a drone right to my doorstep.
החבילה נמסרה על ידי רחפן ישירות אל מפתן דלתי.
Passive voice, simple past tense.
I could hear the distant drone of an airplane.
יכולתי לשמוע את זמזום המטוס המרוחק.
Modal verb 'could', noun 'drone' as a sound.
Controlling a drone requires some practice and skill.
שליטה ברחפן דורשת קצת תרגול ומיומנות.
Gerund 'controlling' as the subject, simple present tense.
The military uses drones for surveillance and reconnaissance missions.
Drony wojskowe są używane do nadzoru i misji rozpoznawczych.
Here 'drones' is a plural noun, acting as the subject of the sentence.
He spent hours flying his new drone in the park, capturing stunning aerial footage.
Spędził godziny, latając swoim nowym dronem w parku, nagrywając zachwycające ujęcia z lotu ptaka.
'Drone' is a singular noun, the object of the verb 'flying'.
The continuous drone of the air conditioner made it difficult to concentrate.
Ciągłe buczenie klimatyzatora utrudniało koncentrację.
Here, 'drone' refers to a sound, and is preceded by the adjective 'continuous'.
Her professor's monotone drone during the lecture almost put everyone to sleep.
Monotonny bełkot jej profesora podczas wykładu prawie wszystkich uśpił.
'Drone' describes a way of speaking, modified by the adjective 'monotone'.
Delivery companies are experimenting with drones to deliver packages more quickly.
Firmy dostawcze eksperymentują z dronami, aby dostarczać paczki szybciej.
'Drones' is a plural noun, indicating the tools used for delivery.
The buzzing drone of bees filled the summer garden.
Bzyczące buczenie pszczół wypełniło letni ogród.
Again, 'drone' refers to a sound, with 'buzzing' describing it.
Before launching the drone, always check the weather conditions.
Zawsze sprawdzaj warunki pogodowe przed uruchomieniem drona.
'Drone' is a singular noun, the object of the verb 'launching'.
He spoke in a boring drone, making it hard to follow his arguments.
Mówił monotonnym głosem, co utrudniało śledzenie jego argumentów.
Similar to a previous example, 'drone' describes a manner of speaking, preceded by 'boring'.
The military drone executed a flawless reconnaissance mission over enemy territory, gathering crucial intelligence without risking human lives.
Unbemanntes Militärflugzeug führte makellose Aufklärungsmission durch.
Here, 'drone' refers to an unmanned aircraft used for military purposes. The verb 'executed' emphasizes the precision of its operation.
As the lecturer droned on, his monotonous voice lulled several students into a state of semi-consciousness, their attention waning with each passing minute.
Als der Dozent weitersprach, ließ seine monotone Stimme mehrere Studenten in Halbbewusstsein fallen.
In this context, 'droned on' is a phrasal verb meaning to speak in a dull, monotonous tone for a long time. It highlights the negative impact of such speech on the audience.
The incessant drone of the air conditioning unit made it difficult to concentrate, a constant hum that permeated the otherwise quiet office.
Das unaufhörliche Summen der Klimaanlage erschwerte die Konzentration.
Here, 'drone' describes a continuous low humming sound. 'Incessant' emphasizes its uninterrupted nature, contributing to the difficulty in concentration.
Environmentalists are employing underwater drones to monitor marine life and assess the health of coral reefs, providing invaluable data without disturbing the delicate ecosystem.
Umweltschützer setzen Unterwasserdrohnen ein, um Meereslebewesen zu überwachen.
This example uses 'drones' to refer to unmanned underwater vehicles. The phrase 'invaluable data' highlights the significance of their work.
Despite the compelling evidence presented by the prosecution, the defense lawyer continued to drone on about procedural technicalities, much to the jury's visible annoyance.
Trotz der überzeugenden Beweise redete der Verteidiger weiter über Verfahrensformalitäten.
Similar to the earlier example, 'drone on' describes speaking monotonously. 'Visible annoyance' emphasizes the negative reception of this behavior.
The futuristic cityscape was crisscrossed by autonomous delivery drones, silently ferrying packages to their destinations with unparalleled efficiency.
Die futuristische Stadtlandschaft wurde von autonomen Lieferdrohnen durchquert.
Here, 'delivery drones' refers to unmanned aerial vehicles used for package delivery. 'Unparalleled efficiency' emphasizes their superior performance.
The ancient ritual involved a rhythmic, hypnotic drone of drums and chants, intended to induce a trance-like state among the participants.
Das alte Ritual beinhaltete ein rhythmisches, hypnotisches Summen von Trommeln und Gesängen.
In this sentence, 'drone' refers to a continuous low sound, specifically from drums and chants. 'Hypnotic' highlights its captivating and trance-inducing quality.
After hours of the professor's drone, punctuated only by the scratching of pens, the students eagerly anticipated the bell signaling the end of the lecture.
Nach stundenlangem Monolog des Professors, nur unterbrochen vom Kratzen der Stifte, warteten die Studenten gespannt auf die Glocke.
This example uses 'drone' as a noun to describe a monotonous speech. 'Punctuated only by' emphasizes the lack of variation in the professor's delivery.
常见搭配
常用短语
fly a drone
to operate an aerial drone
operate a drone
to control a drone
deploy a drone
to send out a drone for a specific purpose
launch a drone
to release a drone into the air
drone on and on
to talk in a monotonous or boring way for a long time
the drone of bees
the continuous low humming sound made by bees
the drone of traffic
the continuous low humming sound made by traffic
a drone shot
a photograph or video taken from a drone
drone delivery service
a service that uses drones to deliver goods
drone regulations
rules and laws governing the use of drones
语法模式
句型
Drones are commonly used for [purpose] such as [example 1] and [example 2].
Drones are commonly used for various purposes such as aerial photography and surveillance.
The [adjective] drone of the [object] was [adverb] [verb-ing].
The incessant drone of the cicadas was incredibly irritating.
[Someone's] voice had a [adjective] drone, making it difficult to [verb].
Her voice had a monotonous drone, making it difficult to pay attention.
With the rise of drone technology, [consequence] has become a [adjective] concern.
With the rise of drone technology, privacy has become a significant concern.
The [type] drone is equipped with [feature] for [purpose].
The military drone is equipped with high-resolution cameras for reconnaissance.
To avoid the drone of [something], I [action].
To avoid the drone of traffic, I closed the window.
He spoke in a drone, without [emotion] or [emphasis].
He spoke in a drone, without emotion or emphasis.
The company is investing in drone delivery services to [goal].
The company is investing in drone delivery services to improve efficiency.
词族
名词
动词
形容词
如何使用
A drone is an unpiloted aircraft. The word “drone” has been used since the 1500s, but it wasn’t until 2000 that it first referred to an unmanned aerial vehicle. The term can be used as a noun or a verb. For example, “The drone flew over the mountains,” or “The man droned on and on about his life.”
It is incorrect to refer to a bee as a drone unless it is a male bee that does not work. This is a common misconception, as people often associate drones with bees. It is also incorrect to use drone when referring to a continuous high-pitched sound. Drone specifically refers to a continuous low humming sound.
小贴士
Contextual Learning
Always try to learn new words in context. Instead of just memorizing 'drone' and its definition, try to put it into a sentence. For example: 'The military drone flew over the city,' or 'The drone of the cicadas filled the summer air.'
Visualize the Word
When you hear or read 'drone,' try to visualize what it represents. Imagine a small aircraft flying or the sound of an engine humming. This creates a stronger memory link.
Practice Pronunciation
Say the word 'drone' out loud. Pay attention to the 'dr' sound and the long 'o'. Practice pronouncing it correctly to improve your speaking fluency.
Use a Dictionary
Look up 'drone' in a good English dictionary. Pay attention to its different meanings, parts of speech, and example sentences. Understanding its versatility is key.
Identify Synonyms and Antonyms
For the aircraft meaning, a synonym could be 'UAV' (unmanned aerial vehicle). For the sound meaning, 'hum' or 'buzz' are synonyms. Knowing these helps you expand your vocabulary network.
Create Flashcards
Write 'drone' on one side and its definitions and an example sentence on the other. Regularly review these flashcards to reinforce your memory.
Integrate into Writing
Try to use 'drone' in your own writing, whether it's an email, a short story, or a journal entry. Active use helps solidify your understanding.
Listen for the Word
When watching English movies, TV shows, or listening to podcasts, try to actively listen for the word 'drone'. Hearing it in natural conversation helps with comprehension.
Break Down Complex Definitions
The definition has two main parts. Break it down: 1) 'unmanned aircraft or ship' and 2) 'continuous low humming sound or monotonous way of speaking.' Understanding each part separately can be easier.
Explore Etymology
Research the origin of the word 'drone.' Knowing its historical development can sometimes provide a deeper understanding of its various meanings. For 'drone,' it's linked to the sound of a male bee, which also hums. This is an advanced learning technique.
记住它
记忆技巧
Imagine a **d**ull, **r**epetitive **o**utput **n**oise that **e**manates from the unmanned aircraft. This helps link the 'drone' sound to the aircraft.
视觉联想
Picture a drone flying silently over a field, then suddenly it makes a continuous, low humming sound that you can visualize as sound waves emanating from it. Alternatively, imagine a bee, which makes a droning sound, connected by a string to a remote control, signifying the unmanned aircraft.
Word Web
挑战
Try to use 'drone' in a sentence describing both an aircraft and a sound. For example: 'The drone flew overhead, its engines emitting a low drone.' Or, 'His voice droned on, as monotonous as a drone.' Also, try to identify drones in news articles or videos, and describe the sound they make or their function.
在生活中练习
真实语境
Technology and Warfare: Drones are frequently discussed in the context of their use in military operations, surveillance, and their increasing role in modern warfare.
- military drone strikes
- surveillance drones
- unmanned aerial vehicles (UAVs)
Deliveries and Logistics: The use of drones for package delivery by companies like Amazon is a growing area, offering faster and more efficient delivery options.
- drone delivery service
- package delivery by drone
- logistics and drones
Photography and Videography: Drones equipped with cameras are popular for aerial photography and videography, used in filmmaking, real estate, and event coverage.
- aerial drone footage
- drone photography
- filming with a drone
Nature and Wildlife: Drones are used in conservation efforts, such as monitoring wildlife, mapping terrains, and assessing environmental changes.
- wildlife monitoring drones
- environmental surveying with drones
- conservation drone technology
Sound and Monotony: The 'drone' of a sound or voice can be used to describe something that is continuously low and humming, or a repetitive and uninteresting way of speaking.
- the drone of the engine
- a monotonous drone
- his voice droned on
对话开场白
"What are your thoughts on the increasing use of drones in package delivery?"
"Have you ever seen any impressive drone footage, and if so, what was it of?"
"How do you think drones will change warfare in the future?"
"What are some ethical considerations we should think about with widespread drone use?"
"Can you think of any other sounds that could be described as a 'drone'?"
日记主题
Reflect on the ethical implications of using drones for surveillance. What are the pros and cons?
Imagine a future where drones are commonplace in everyday life. Describe a typical day and how drones might interact with it.
Write about a time you heard a continuous, monotonous sound (a 'drone') and how it made you feel.
Consider the potential benefits and drawbacks of using drones for environmental monitoring in remote areas.
If you could design a new application for drone technology, what would it be and why?
自我测试 132 个问题
The ___ flew high in the sky.
A drone is an unmanned aircraft that flies. The other options do not fly.
I heard a ___ sound from the machine.
A drone can also mean a continuous low humming sound. The other options do not describe a sound in this context.
My father controls the ___ with a remote.
A drone can be guided by a remote control. The other options are not typically controlled by a remote in this way.
The small ___ went up in the air.
A drone is an aircraft that goes up in the air. Birds fly, but the sentence suggests something that is operated.
The teacher spoke in a ___ voice.
A drone can describe a monotonous way of speaking. The other options do not fit the meaning here.
We watched the ___ fly over the park.
A drone is an aircraft that can fly over a park. The other options do not fly.
Which of these is a drone?
A drone is an unmanned aircraft.
What sound can a drone make?
A drone can describe a continuous low humming sound.
Can a drone be controlled remotely?
A drone can be guided by a remote control.
A drone is always a type of aircraft.
A drone can also be a ship or a sound.
A drone can fly by itself.
A drone can navigate autonomously, which means by itself.
If someone speaks in a drone, their voice is very exciting.
A drone can describe a monotonous way of speaking, which means not exciting.
Listen for the word 'drone'.
The sound is like a continuous hum.
What can the drone do?
Read this aloud:
Drone.
Focus: /droʊn/
你说的：
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Read this aloud:
The drone is small.
Focus: small
你说的：
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Read this aloud:
Can you see the drone?
Focus: Can you
你说的：
Speech recognition is not supported in your browser. Try Chrome or Edge.
Write a short sentence using the word 'drone' to talk about a flying machine.
Well written! Good try! Check the sample answer below.
Sample answer
The drone can fly.
Write a short sentence about a sound using the word 'drone'.
Well written! Good try! Check the sample answer below.
Sample answer
I hear a low drone.
Complete the sentence: 'The ______ is in the sky.'
Well written! Good try! Check the sample answer below.
Sample answer
The drone is in the sky.
What can the drone do?
Read this passage:
This is a drone. It can fly. It has a camera. We use it to take pictures.
What can the drone do?
The passage says 'It can fly.'
The passage says 'It can fly.'
Where does the dad fly the drone?
Read this passage:
My dad has a drone. He likes to fly it in the park. The drone makes a soft sound.
Where does the dad fly the drone?
The passage says 'He likes to fly it in the park.'
The passage says 'He likes to fly it in the park.'
What makes a drone sound?
Read this passage:
A bee makes a drone sound. It is a low sound. This sound is from the bee's wings.
What makes a drone sound?
The passage says 'A bee makes a drone sound.'
The passage says 'A bee makes a drone sound.'
This is a simple sentence describing the drone's action.
This sentence describes hearing the sound of a drone.
This sentence indicates possession of a drone.
The small ___ flew high in the sky.
A drone is an unmanned aircraft, suitable for flying high in the sky.
I could hear the ___ of the washing machine.
A continuous low humming sound, like that of a washing machine, can be described as a drone.
The teacher's voice had a boring ___.
A monotonous way of speaking can be called a drone.
They used a ___ to take pictures from above.
Drones are often used for aerial photography.
The constant ___ of the cicadas was loud.
The continuous sound made by cicadas can be described as a drone.
He bought a new ___ to play with in the park.
A drone is a type of toy or device often flown for recreation.
Listen for the unmanned aircraft.
Listen for the sound.
Listen for the way of speaking.
Read this aloud:
The drone is small.
Focus: drone
你说的：
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Read this aloud:
Can you hear the drone?
Focus: drone
你说的：
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Read this aloud:
It made a loud drone.
Focus: loud drone
你说的：
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Imagine you are watching a nature documentary. You hear a sound like a 'drone'. What animal or insect might make this sound? Write a short sentence describing it.
Well written! Good try! Check the sample answer below.
Sample answer
I heard a bee making a low drone sound as it flew past.
You are drawing a picture of the future. What kind of 'drone' might you include? Write one sentence about what it does.
Well written! Good try! Check the sample answer below.
Sample answer
In my picture, a small drone flies in the sky to deliver packages.
Think about a time you heard a very boring speaker. How did their voice sound? Write one sentence using the word 'drone' to describe it.
Well written! Good try! Check the sample answer below.
Sample answer
The teacher's voice had a boring drone, and I almost fell asleep.
What does the neighbor use the drone for?
Read this passage:
My neighbor bought a new drone. It is a small flying machine with four propellers. He uses it to take pictures of his garden from high up in the air. Sometimes, it makes a buzzing sound when it flies.
What does the neighbor use the drone for?
The passage states, 'He uses it to take pictures of his garden from high up in the air.'
The passage states, 'He uses it to take pictures of his garden from high up in the air.'
What kind of sound did the person hear in the forest?
Read this passage:
In the forest, I heard a continuous low sound. It was like a long hum that never stopped. I thought it might be a big insect or perhaps a machine far away. The sound was a steady drone.
What kind of sound did the person hear in the forest?
The passage describes the sound as 'a continuous low sound. It was like a long hum that never stopped.'
The passage describes the sound as 'a continuous low sound. It was like a long hum that never stopped.'
How did the professor's speaking make the students feel?
Read this passage:
The professor gave a lecture. His voice was very flat and he spoke in the same way for a long time. It was hard to pay attention because his speaking had a dull drone. Many students felt sleepy.
How did the professor's speaking make the students feel?
The passage says, 'Many students felt sleepy' because his speaking had a 'dull drone'.
The passage says, 'Many students felt sleepy' because his speaking had a 'dull drone'.
Which of these best describes a 'drone' as an aircraft?
The definition states a drone is 'an unmanned aircraft or ship that can navigate autonomously or be guided by a remote control.'
If you hear a continuous low humming sound, what might it be described as?
The definition mentions 'a continuous low humming sound' as another meaning of 'drone'.
When someone speaks in a 'monotonous way', what does that mean?
The definition includes 'a monotonous way of speaking' as a meaning of 'drone', which implies a lack of variation in tone.
A drone can be controlled by a person using a remote control.
The definition states a drone can be 'guided by a remote control'.
A drone always has a pilot sitting inside it.
The definition specifies that a drone is 'unmanned', meaning it has no pilot inside.
The sound of a drone is usually very loud and high-pitched.
The definition describes the sound of a drone as a 'continuous low humming sound'.
Focus on the noun meaning of 'drone' as an aircraft.
Focus on the noun meaning of 'drone' as a sound.
Focus on the noun meaning of 'drone' as a way of speaking.
Read this aloud:
Can you describe a situation where a drone (aircraft) would be useful?
Focus: drone
你说的：
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Read this aloud:
Have you ever heard a continuous, low humming sound, like a 'drone'? What was it?
Focus: drone
你说的：
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Read this aloud:
Imagine you are giving a presentation. How can you avoid having a monotonous 'drone' in your voice?
Focus: drone
你说的：
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Imagine you are a filmmaker. How could you use a drone to capture unique shots for your next movie? Describe two different ways you would use it.
Well written! Good try! Check the sample answer below.
Sample answer
As a filmmaker, I would use a drone to get amazing aerial shots, like a panoramic view of a landscape or a city skyline. I would also use it to follow an actor from above as they walk through a busy street, adding a dynamic and interesting perspective to the scene.
Describe a situation where a continuous low humming sound (a drone) might be annoying or distracting. What would you do to make it stop or ignore it?
Well written! Good try! Check the sample answer below.
Sample answer
A continuous low humming sound, like a drone, could be very annoying if I was trying to study or sleep. If it was coming from an appliance, I would try to turn it off. If it was outside, I might put on headphones to block out the noise so I could focus.
You are explaining to a friend what a 'drone' is. Write two sentences describing what it is and one sentence about how it is used.
Well written! Good try! Check the sample answer below.
Sample answer
A drone is a type of aircraft that doesn't have a pilot inside. It can fly by itself or be controlled by someone with a remote control. People often use drones to take pictures or videos from high in the sky.
What is one benefit of using drones mentioned in the passage?
Read this passage:
Drones are becoming increasingly popular for many uses, from delivering packages to inspecting buildings. Their ability to reach difficult areas and capture high-quality images makes them very valuable. However, there are also concerns about privacy and safety when drones are used in public spaces.
What is one benefit of using drones mentioned in the passage?
The passage states that drones are used for 'delivering packages to inspecting buildings,' which is a direct benefit.
The passage states that drones are used for 'delivering packages to inspecting buildings,' which is a direct benefit.
Why was the audience finding it difficult to stay engaged?
Read this passage:
The speaker's voice had a monotone, almost like a drone, which made it difficult for the audience to stay engaged. Every sentence sounded the same, without any changes in pitch or speed. People started to yawn and look at their watches.
Why was the audience finding it difficult to stay engaged?
The passage explicitly states, 'The speaker's voice had a monotone, almost like a drone, which made it difficult for the audience to stay engaged.'
The passage explicitly states, 'The speaker's voice had a monotone, almost like a drone, which made it difficult for the audience to stay engaged.'
How do drones help farmers?
Read this passage:
Farmers are starting to use drones to monitor their crops. These unmanned aircraft can fly over large fields, collecting data about the health of plants and identifying areas that need more water or fertilizer. This technology helps farmers make better decisions and increase their yields.
How do drones help farmers?
The passage states that drones 'collecting data about the health of plants and identifying areas that need more water or fertilizer. This technology helps farmers make better decisions and increase their yields.'
The passage states that drones 'collecting data about the health of plants and identifying areas that need more water or fertilizer. This technology helps farmers make better decisions and increase their yields.'
This sentence describes the increasing volume of a drone's sound.
This sentence refers to a drone as an unmanned aircraft used for delivery.
This sentence uses 'drone' to describe a monotonous way of speaking.
Which of the following best describes a 'drone' in the context of technology?
The definition states that a drone is an unmanned aircraft or ship, which aligns with 'unmanned aerial vehicle'.
In the sentence, 'The continuous drone of the air conditioner made it difficult to concentrate,' what does 'drone' refer to?
The definition includes 'a continuous low humming sound' as a meaning of 'drone'.
A drone can be controlled in two main ways. What are they?
The definition explicitly states that a drone 'can navigate autonomously or be guided by a remote control.'
A drone can only be used for military purposes.
While drones are used in the military, the definition does not limit their use to military purposes. They are also used for photography, delivery, and more.
If someone speaks in a 'drone,' their voice is lively and engaging.
The definition states that 'drone' can describe 'a monotonous way of speaking,' which is the opposite of lively and engaging.
An unmanned ship that can navigate by itself could be called a drone.
The definition explicitly includes 'unmanned ... ship that can navigate autonomously' as a type of drone.
Imagine you are an engineer. Describe how drones could be used in a specific industry (e.g., agriculture, delivery, surveillance). Discuss both their benefits and potential drawbacks. Use the word 'drone' at least twice.
Well written! Good try! Check the sample answer below.
Sample answer
As an engineer, I foresee drones revolutionizing agriculture. Farmers could use these unmanned aircraft to monitor crop health, spray pesticides precisely, and even herd livestock, leading to increased efficiency and reduced labor costs. However, a significant drawback is the potential for privacy invasion if drones are misused for surveillance, and the cost of initial investment can be a barrier for smaller farms.
Write a short paragraph explaining the two different meanings of the word 'drone' as described in the definition. Give an example sentence for each meaning.
Well written! Good try! Check the sample answer below.
Sample answer
The word 'drone' has two distinct meanings. Firstly, it refers to an unmanned aircraft that can be guided remotely or operate autonomously, such as when a delivery drone dropped a package on my doorstep. Secondly, it can describe a continuous low humming sound or a monotonous way of speaking. The speaker's voice had a boring drone that made it difficult to pay attention.
You are writing a short story. In one scene, a character is feeling bored or frustrated by a repetitive sound or speech. Describe this scene, using the word 'drone' to convey the character's feeling.
Well written! Good try! Check the sample answer below.
Sample answer
The lecturer's voice continued its monotonous drone, each word blending into the next, making it impossible for Sarah to focus. She felt her eyelids growing heavy, and a wave of frustration washed over her as the unchanging rhythm of his speech filled the room. All she could hear was the endless drone.
What is the primary purpose of the drone described in the passage?
Read this passage:
The small drone buzzed overhead, capturing stunning aerial footage of the coastline. Its advanced sensors allowed it to navigate complex wind patterns and avoid obstacles. This particular model was developed for environmental monitoring, helping scientists track changes in marine ecosystems without disturbing the wildlife. The data it collected was invaluable for conservation efforts.
What is the primary purpose of the drone described in the passage?
The passage states, 'This particular model was developed for environmental monitoring, helping scientists track changes in marine ecosystems without disturbing the wildlife. The data it collected was invaluable for conservation efforts.'
The passage states, 'This particular model was developed for environmental monitoring, helping scientists track changes in marine ecosystems without disturbing the wildlife. The data it collected was invaluable for conservation efforts.'
How does the passage describe the sound of the airplane's engines?
Read this passage:
During the long flight, the constant drone of the airplane's engines became a strangely comforting background noise. Some passengers found it irritating, but for others, it was a lullaby, gently rocking them to sleep. However, the flight attendant's endless announcements eventually broke through the comforting monotony, introducing a new kind of drone that was much less pleasant.
How does the passage describe the sound of the airplane's engines?
The passage says, 'the constant drone of the airplane's engines became a strangely comforting background noise. Some passengers found it irritating, but for others, it was a lullaby.' This indicates both aspects.
The passage says, 'the constant drone of the airplane's engines became a strangely comforting background noise. Some passengers found it irritating, but for others, it was a lullaby.' This indicates both aspects.
What are two potential problems associated with the widespread use of delivery drones, according to the passage?
Read this passage:
The new delivery service uses sophisticated drones to transport goods across the city. These drones are equipped with GPS and can navigate busy urban airspace autonomously. While incredibly efficient, concerns have been raised about the potential for mid-air collisions and the noise pollution they might create if widely adopted. The company is actively working on solutions to address these challenges.
What are two potential problems associated with the widespread use of delivery drones, according to the passage?
The passage states, 'concerns have been raised about the potential for mid-air collisions and the noise pollution they might create if widely adopted.'
The passage states, 'concerns have been raised about the potential for mid-air collisions and the noise pollution they might create if widely adopted.'
This sentence describes an unmanned aircraft flying over fields.
This sentence uses 'drone' to refer to a continuous low humming sound, typically made by bees.
This sentence uses 'drone' to describe a monotonous way of speaking.
The constant _______ of the machinery in the factory made it difficult to concentrate.
The word 'drone' here refers to a continuous low humming sound, which aligns with the context of machinery in a factory.
Despite the advancements in aviation, the idea of passenger-carrying _______ is still a subject of much debate and development.
In this context, 'drones' refers to unmanned aircraft, and the concept of them carrying passengers is a futuristic one.
The lecturer's monotonous _______ almost lulled the students to sleep, despite the fascinating subject matter.
Here, 'drone' describes a monotonous way of speaking, which would make a lecture unengaging.
During the protest, the rhythmic _______ of the drums created an immersive and powerful atmosphere.
A 'drone' can also refer to a continuous low sound, which would be fitting for the rhythmic sound of drums in a protest.
The military's reliance on surveillance _______ has raised ethical concerns about privacy and accountability.
In this sentence, 'drones' refers to unmanned aircraft used for surveillance.
He found it difficult to engage with the speaker, whose voice had a persistent _______ that conveyed a sense of boredom.
The word 'drone' accurately describes a monotonous and uninteresting way of speaking, aligning with the speaker's perceived boredom.
The constant ___ of the ventilation system made it difficult to concentrate during the exam.
The word 'drone' refers to a continuous low humming sound, which fits the context of a ventilation system's noise.
The military's new reconnaissance ___ can stay airborne for days, providing continuous surveillance.
In this context, 'drone' refers to an unmanned aircraft used for surveillance, which aligns with the military's use.
Her lecture began to ___ on, losing the attention of many students who found her delivery monotonous.
To 'drone on' means to speak in a monotonous or boring way, which describes a lecture that loses an audience's attention.
A drone is exclusively used for military purposes and cannot be controlled by a civilian.
While drones have military applications, they are also widely used by civilians for photography, recreation, and various commercial purposes.
The 'drone' of a bee refers to its specific high-pitched buzzing sound as it flies.
The 'drone' of a bee typically refers to a male bee, or the continuous low humming sound it makes, not necessarily a high-pitched buzzing sound.
When someone's voice is described as a 'drone,' it suggests they are speaking with great enthusiasm and varied intonation.
A 'drone' in speaking refers to a monotonous, unvarying tone, which is the opposite of enthusiasm and varied intonation.
Focus on the sound described.
Consider the type of device mentioned.
Think about the source of the sound.
Read this aloud:
The continuous drone of the air conditioner is quite distracting when I'm trying to work.
Focus: continuous, distracting
你说的：
Speech recognition is not supported in your browser. Try Chrome or Edge.
Read this aloud:
Advancements in drone technology have revolutionized aerial photography and delivery services.
Focus: advancements, revolutionized
你说的：
Speech recognition is not supported in your browser. Try Chrome or Edge.
Read this aloud:
Despite the drone of his voice, the speaker conveyed a powerful message about environmental conservation.
Focus: despite, conveyed
你说的：
Speech recognition is not supported in your browser. Try Chrome or Edge.
Imagine you are a journalist reporting on the increasing use of drones in commercial deliveries. Discuss the potential benefits and drawbacks for both businesses and consumers, considering aspects like efficiency, cost, privacy, and safety.
Well written! Good try! Check the sample answer below.
Sample answer
The advent of commercial drone deliveries promises a revolution in logistics, offering unparalleled efficiency and potentially reducing operational costs for businesses. Consumers could benefit from quicker delivery times and access to goods in remote areas. However, this advancement is not without its challenges. Concerns around privacy, especially regarding surveillance capabilities, and safety, given the potential for malfunction or misuse, demand rigorous regulatory frameworks. Moreover, the noise pollution from a multitude of drones could significantly impact urban living, necessitating innovative solutions to mitigate such environmental concerns.
Write a short essay reflecting on the dual nature of 'drone' – as both a technological marvel and a descriptor for a monotonous sound or speech. Explore how this linguistic duality can impact our perception of the technology.
Well written! Good try! Check the sample answer below.
Sample answer
The word 'drone' presents a fascinating linguistic duality, simultaneously conjuring images of advanced unmanned aerial vehicles and the dull, continuous hum of a monotonous sound or speech. This semantic split invariably shapes our perception of the technology. On one hand, the futuristic aspect of a drone as an innovative device for surveillance, delivery, or recreation is celebrated. On the other hand, the underlying association with monotony can subtly inject a sense of impersonal, perhaps even oppressive, automatism into our understanding of drone technology, highlighting concerns about autonomy and human displacement. This duality underscores how language itself can color our reception of new advancements.
You are a policy advisor for a city council. Draft a brief outlining regulations for recreational drone use in public parks. Consider aspects like flight altitude, proximity to people, and restricted areas, justifying your choices based on safety and public enjoyment.
Well written! Good try! Check the sample answer below.
Sample answer
To ensure public safety and preserve the tranquility of our urban green spaces, I recommend the following regulations for recreational drone use in city parks. Firstly, a maximum flight altitude of 50 feet should be enforced to mitigate collision risks with trees and ensure visibility for ground-based observation. Secondly, drones must maintain a minimum distance of 20 feet from all individuals not directly involved in the drone's operation to prevent accidental injury and respect personal space. Finally, designated no-fly zones will be established around playgrounds, sensitive ecological areas, and outdoor event venues to protect children, wildlife, and scheduled activities from disruption. These measures aim to strike a balance between allowing recreational freedom and safeguarding the public's right to safety and enjoyment of shared spaces.
According to the passage, what is a potential drawback of using sophisticated drone technology in agriculture?
Read this passage:
The increasing sophistication of drone technology has opened up new avenues for various industries, from agriculture to filmmaking. In agriculture, drones equipped with multispectral cameras can monitor crop health, identify irrigation issues, and even spray pesticides more efficiently than traditional methods. This precision agriculture not only boosts yields but also minimizes environmental impact by reducing chemical usage. However, the initial investment in such technology can be substantial, posing a barrier to smaller farms.
According to the passage, what is a potential drawback of using sophisticated drone technology in agriculture?
The passage explicitly states, 'the initial investment in such technology can be substantial, posing a barrier to smaller farms,' indicating that the cost is a drawback.
The passage explicitly states, 'the initial investment in such technology can be substantial, posing a barrier to smaller farms,' indicating that the cost is a drawback.
What is the primary effect of a 'drone' in music, as described in the passage?
Read this passage:
The sound of a drone can be quite hypnotic, especially when it's a deep, continuous hum. In music, a 'drone' often refers to a sustained tone or chord that provides a harmonic foundation for the rest of the composition. This technique is prevalent in various musical traditions, from Indian classical music to minimalist Western compositions, creating a sense of timelessness or spiritual depth. It can also, however, become monotonous if not used skillfully.
What is the primary effect of a 'drone' in music, as described in the passage?
The passage states that a drone 'often refers to a sustained tone or chord that provides a harmonic foundation for the rest of the composition,' which aligns with providing a stable harmonic base.
The passage states that a drone 'often refers to a sustained tone or chord that provides a harmonic foundation for the rest of the composition,' which aligns with providing a stable harmonic base.
What is a central ethical concern raised by critics regarding autonomous military drones?
Read this passage:
The debate surrounding autonomous drones, particularly in military applications, continues to intensify. Proponents argue that these machines can reduce casualties among human combatants and perform tasks too dangerous for people. Conversely, critics raise serious ethical concerns about the delegation of lethal decision-making to artificial intelligence, fearing a slippery slope towards a loss of human control and accountability in warfare. The development of international treaties to regulate such technology is increasingly seen as imperative.
What is a central ethical concern raised by critics regarding autonomous military drones?
The passage explicitly mentions that 'critics raise serious ethical concerns about the delegation of lethal decision-making to artificial intelligence,' highlighting this as a central issue.
The passage explicitly mentions that 'critics raise serious ethical concerns about the delegation of lethal decision-making to artificial intelligence,' highlighting this as a central issue.
The company utilized an aerial ___ to inspect the expansive oil pipeline for potential leaks, significantly reducing the need for dangerous manual checks.
In this context, 'drone' refers to an unmanned aerial vehicle used for inspection, which aligns with the definition.
Despite the innovative presentation, the CEO's monotonous ___ ultimately failed to captivate the investors, who seemed more interested in their phones.
Here, 'drone' refers to a monotonous way of speaking, which fits the context of a dull presentation.
The pervasive ___ of cicadas on the warm summer evening created a hypnotic, almost soporific, atmosphere.
The 'drone' of cicadas refers to their continuous low humming sound, which is one of the definitions provided.
A drone is exclusively an unmanned aircraft used for military surveillance.
While drones are used for military surveillance, the definition also includes civilian uses and the concept of a ship, as well as referring to a sound or way of speaking.
The incessant drone of the factory machinery made communication incredibly challenging for the workers.
In this sentence, 'drone' refers to a continuous low humming sound, which is a correct usage of the word.
When someone speaks in a drone, it typically implies an engaging and lively delivery.
Speaking in a 'drone' specifically means speaking in a monotonous, uninteresting way, which is the opposite of an engaging delivery.
The sound of cicadas.
The function of a specific type of drone.
The manner of speaking.
Read this aloud:
The incessant drone of the server room was a constant auditory backdrop to their intense coding sessions.
Focus: incessant, drone, auditory, backdrop
你说的：
Speech recognition is not supported in your browser. Try Chrome or Edge.
Read this aloud:
As a nascent technology, the ethical implications of autonomous drones are still being rigorously debated by policymakers and ethicists alike.
Focus: nascent, autonomous, rigorously, debated, ethicists
你说的：
Speech recognition is not supported in your browser. Try Chrome or Edge.
Read this aloud:
His voice, usually vibrant and expressive, had descended into a weary drone, betraying the profound exhaustion that gripped him.
Focus: descended, weary, drone, betraying, profound, exhaustion
你说的：
Speech recognition is not supported in your browser. Try Chrome or Edge.
Discuss the ethical implications of using autonomous drones in warfare, considering both their potential benefits in reducing human casualties and the risks associated with their independent decision-making capabilities. Provide a nuanced argument supported by relevant examples or hypothetical scenarios.
Well written! Good try! Check the sample answer below.
Sample answer
The deployment of autonomous drones in military operations presents a complex ethical quandary. On one hand, proponents argue that these machines can significantly reduce human casualties by performing tasks deemed too dangerous for soldiers, thus preserving human life. Their precision targeting capabilities could also minimize collateral damage. However, the prospect of machines making life-or-death decisions without direct human oversight raises profound concerns about accountability and moral agency. If an autonomous drone errs, who bears the responsibility? Furthermore, the psychological impact on combatants and civilians in a conflict where lethal force is administered by an unfeeling algorithm is largely unexplored. The 'slippery slope' argument also posits that the increasing reliance on such technology could desensitize societies to the realities of war, making armed conflict more palatable. A balanced approach necessitates robust international regulations and clear lines of human supervision to ensure these powerful tools serve humanity rather than diminish it.
Compose a short analytical essay exploring the metaphorical uses of the word 'drone' in contemporary literature or social commentary, particularly in contexts related to monotonous work, societal conformity, or the dehumanizing effects of technology. Illustrate your points with specific examples.
Well written! Good try! Check the sample answer below.
Sample answer
The term 'drone,' beyond its literal meaning as an unmanned aircraft, has permeated contemporary discourse as a potent metaphor for various societal ailments. In literature, it often signifies an individual or group trapped in monotonous, unfulfilling labor, echoing the continuous, unvarying hum of the insect or machine. This metaphorical usage highlights a pervasive sense of powerlessness and lack of individual agency, where workers are perceived as interchangeable components in a larger, impersonal system. Similarly, in social commentary, 'drone' can describe individuals who uncritically conform to societal norms or ideologies, devoid of independent thought, much like a programmed machine following predetermined instructions. This dehumanizing connotation extends to critiques of technology, where individuals become 'drones' tethered to their devices, performing repetitive actions dictated by algorithms rather than personal volition. For instance, a character endlessly scrolling through social media might be depicted as 'droning' through their existence, their actions devoid of meaningful engagement. This metaphorical resonance underscores a deep-seated anxiety about the erosion of individuality and the increasing automation of both labor and life.
Imagine a future where personal delivery drones are ubiquitous. Write a persuasive essay arguing for or against the complete automation of such services, considering aspects like efficiency, privacy concerns, employment implications, and potential societal impacts.
Well written! Good try! Check the sample answer below.
Sample answer
The advent of ubiquitous personal delivery drones presents a fascinating dichotomy for societal progression. Arguing for complete automation, one could emphasize the unparalleled efficiency gains. Imagine instant, round-the-clock deliveries, unhindered by traffic or human labor constraints, leading to a significant boost in economic productivity and consumer convenience. This could revolutionize supply chains, reduce infrastructure demands for road-based transport, and potentially lower carbon footprints if electric drones become standard. However, the counter-argument against full automation is equally compelling, centering on critical concerns. Privacy becomes a paramount issue; a sky filled with surveillance-capable drones raises legitimate fears about constant monitoring and data collection, eroding personal liberties. Furthermore, the employment implications are dire, as a fully automated system would displace countless delivery drivers, exacerbating unemployment rates and potentially widening economic inequality. Socially, the constant 'drone' of these machines could lead to noise pollution, and the omnipresent, unblinking eyes of automated systems might foster a pervasive sense of unease and detachment, eroding the human element from essential services. Ultimately, a balanced approach, perhaps with human oversight or hybrid models, seems more sustainable than a headlong rush into complete automation.
What is the primary effect of the 'drone' described in the passage?
Read this passage:
The ethereal hum of the ancient monastery, a sustained, low-pitched drone, seemed to permeate the very stones of the edifice. It was not merely an auditory phenomenon but a visceral presence that resonated deep within the chest, a constant reminder of centuries of quiet contemplation and tireless devotion. This incessant sound, born from the collective chanting and murmuring of generations of monks, acted as a temporal anchor, grounding the fleeting present in an enduring past. It was both a comfort and a subtle disquiet, a testament to an unwavering commitment that bordered on the ascetic.
What is the primary effect of the 'drone' described in the passage?
The passage states that the drone was 'a constant reminder of centuries of quiet contemplation and tireless devotion' and acted as a 'temporal anchor, grounding the fleeting present in an enduring past,' indicating its role in connecting the present to a spiritual history.
The passage states that the drone was 'a constant reminder of centuries of quiet contemplation and tireless devotion' and acted as a 'temporal anchor, grounding the fleeting present in an enduring past,' indicating its role in connecting the present to a spiritual history.
According to the passage, what is the main paradox associated with the use of drones in modern surveillance?
Read this passage:
In the realm of modern surveillance, the drone has emerged as a particularly contentious instrument. While lauded for its capacity to provide real-time intelligence in hazardous zones and its potential to monitor environmental changes from inaccessible vantage points, its deployment frequently ignites debates concerning privacy, civil liberties, and the militarization of public spaces. The very ubiquity of these unmanned aerial vehicles (UAVs) has led to a subtle but significant shift in how societies perceive oversight and control, blurring the lines between protection and intrusion.
According to the passage, what is the main paradox associated with the use of drones in modern surveillance?
The passage highlights the paradox by mentioning both the benefits ('capacity to provide real-time intelligence,' 'monitor environmental changes') and the drawbacks ('ignites debates concerning privacy, civil liberties, and the militarization of public spaces').
The passage highlights the paradox by mentioning both the benefits ('capacity to provide real-time intelligence,' 'monitor environmental changes') and the drawbacks ('ignites debates concerning privacy, civil liberties, and the militarization of public spaces').
What does the passage imply about the chief executive's communication style?
Read this passage:
The chief executive, known for his relentless, almost robotic work ethic, would often drone on during board meetings, reciting quarterly figures and strategic imperatives with an unvarying cadence that left many attendees feeling glazed over. His voice, devoid of inflection or emotive emphasis, was a monotonous soundscape against which innovative ideas struggled to gain traction. This particular 'drone' was less about the specific content of his words and more about the delivery, which effectively stifled any nascent sparks of creative discourse, reducing complex discussions to a series of predictable pronouncements.
What does the passage imply about the chief executive's communication style?
The passage states his voice was 'devoid of inflection or emotive emphasis,' a 'monotonous soundscape,' and that it 'effectively stifled any nascent sparks of creative discourse,' indicating its inhibitory effect on discussion.
The passage states his voice was 'devoid of inflection or emotive emphasis,' a 'monotonous soundscape,' and that it 'effectively stifled any nascent sparks of creative discourse,' indicating its inhibitory effect on discussion.
/ 132 correct
Perfect score!
Summary
The word 'drone' has multiple meanings, primarily referring to unmanned vehicles or continuous low sounds.
- Unmanned vehicle
- Low humming sound
- Monotonous speech
Contextual Learning
Always try to learn new words in context. Instead of just memorizing 'drone' and its definition, try to put it into a sentence. For example: 'The military drone flew over the city,' or 'The drone of the cicadas filled the summer air.'
Visualize the Word
When you hear or read 'drone,' try to visualize what it represents. Imagine a small aircraft flying or the sound of an engine humming. This creates a stronger memory link.
Practice Pronunciation
Say the word 'drone' out loud. Pay attention to the 'dr' sound and the long 'o'. Practice pronouncing it correctly to improve your speaking fluency.
Use a Dictionary
Look up 'drone' in a good English dictionary. Pay attention to its different meanings, parts of speech, and example sentences. Understanding its versatility is key.
例句
I bought a small drone to take videos of my vacation from the air.
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在语境中学习
更多Transport词汇
road
A1为车辆（如汽车和巴士）行驶而建造的坚硬路面。它连接着城镇、城市或房屋等不同地点。
car
A1汽车是一种四轮机动车，用于载运少数人。它主要用于铺砌道路上的私人交通。
boater
B2A person who uses a boat for recreation, travel, or sport, or a stiff straw hat with a flat crown and brim traditionally worn by men. In modern usage, it primarily refers to individuals involved in maritime leisure activities.
bodywork
B2汽车的外部结构或一种手部物理疗法。
bonnet
B2指汽车引擎盖，也就是覆盖发动机的金属盖。它也指一种过去女性或儿童戴的、在下巴下系带的帽子。
bowsprit
B2A strong pole or spar that projects forward from the stem (the front) of a sailing vessel. It is primarily used to extend the forestays and provide an anchor point for headsails like the jib.
bulkhead
B2A bulkhead is a vertical wall or partition inside a ship, aircraft, or other vehicle that separates different compartments. It is often designed to be structural, watertight, or fire-resistant to increase the safety and integrity of the vessel.
brougham
B2Brougham是一种四轮马车，有封闭的车厢，曾于19世纪流行。
byroad
B2指较小的次要道路，通常位于乡村，车流量远少于主干道。
bus
B2To transport people, particularly students or employees, to a specific destination using a bus. In an academic or social context, it often refers to the organized movement of people to achieve specific policy goals, such as school integration or workforce distribution.
