The word sea is a noun. A sea is a big area of salty water. It covers much of our planet. A sea is usually smaller than an ocean. Often, land is all around it, or partly around it. For example, you can swim in the Mediterranean Sea.
Imagine a very, very big pool of salty water. That's a sea!
It covers much of our planet.
Usually, a sea is not as big as an ocean, and land is often all around it or on some sides.
At the A1 CEFR level, "sea" is introduced as a fundamental noun, signifying a vast expanse of saline water that predominantly encases our planet. It's distinguished from an ocean primarily by its comparatively smaller scale and its frequent proximity to, or complete encirclement by, landmasses. This foundational understanding allows learners to grasp basic geographical descriptions and engage in simple conversations about natural environments. The term serves as a cornerstone for building more complex vocabulary related to marine ecosystems and global geography as language proficiency advances.
sea 30초 만에
- vast salty water
- earth's surface
- smaller than ocean
§ Definition
- Word
- sea (noun)
- CEFR Level
- A1
- Definition
- A large body of salt water that covers most of the Earth's surface. It is generally smaller than an ocean and often partly or fully surrounded by land.
§ Understanding 'Sea'
The word 'sea' is fundamental for describing our planet's geography. It refers to a vast expanse of saltwater, similar to an ocean but often smaller and sometimes partially or completely enclosed by land. Think of the Mediterranean Sea or the North Sea; these are great examples of how a sea can be connected to a larger ocean but have its own distinct characteristics.
Understanding 'sea' is not just about geography; it's also about understanding the environment, travel, and even human history. Many cultures and economies have developed around seas, relying on them for food, transport, and trade. Learning this word at an A1 level means you can start to talk about basic concepts like where you might go for a holiday or what kind of animals live in the water.
§ Examples of 'Sea' in Sentences
We went to the sea for our summer vacation.
The ship sailed across the calm sea.
There are many different fish in the sea.
The Mediterranean Sea is very famous.
§ Where You Actually Hear This Word
You'll encounter the word 'sea' in many contexts, making it a very useful word to learn. Here are a few common places:
- Work: If you work in tourism, shipping, or marine biology, 'sea' will be a constant part of your vocabulary. You might talk about 'sea routes,' 'sea life,' or 'sea voyages.' Even if your work isn't directly related, discussions about environmental protection or global trade can involve the 'sea.'
- School: In geography classes, you'll learn about different seas around the world. In science, you might study marine ecosystems and the creatures that live in the 'sea.' History lessons might cover ancient civilizations that sailed the 'sea' for exploration or trade.
- News: The news often reports on events related to the 'sea.' This could be weather forecasts discussing 'rough seas,' reports on pollution affecting the 'sea,' or stories about rescue missions at 'sea.' You might also hear about maritime disputes or international agreements concerning the 'sea.'
- Everyday Conversations: When talking about holidays, hobbies like sailing or fishing, or even just discussing the weather, 'sea' comes up naturally. People often dream of living by the 'sea' or taking a trip to the 'sea.'
§ Common Phrases and Idioms with 'Sea'
Beyond its literal meaning, 'sea' appears in several common phrases and idioms:
- At sea: This can mean literally on a boat in the sea, or it can mean feeling confused or lost. For example, "I was completely at sea with the new instructions."
- A sea of faces: This describes a very large crowd of people. For example, "When the band came on stage, they saw a sea of faces."
- The high seas: This refers to the open ocean, far from land, often associated with international waters.
- To put to sea: This means to begin a journey by ship. For example, "The fishing boat put to sea at dawn."
§ Understanding 'Sea'
The word 'sea' is a common and versatile term in English, referring to a large expanse of saltwater. It's an important word to know as it's frequently used in everyday conversation, literature, and news when talking about our planet and its natural features.
- Definition
- A large body of salt water that covers most of the Earth's surface. It is generally smaller than an ocean and often partly or fully surrounded by land.
We went to the beach and swam in the sea.
The ship sailed across the calm sea.
§ Common Uses and Collocations
The word 'sea' can be used in many different contexts. Here are some common phrases and ways it's used:
- By the sea: Meaning next to the sea, often referring to a coastal area.
- At sea: Meaning on a boat or ship, away from land.
- Sea level: The average height of the sea's surface, used as a standard for measuring height and depth.
- Seabed: The bottom of the sea.
- Seaside: A place by the sea, especially a resort or town.
They live in a small house by the sea.
The sailors were at sea for many weeks.
§ Sea vs. Ocean: What's the Difference?
While 'sea' and 'ocean' are often used interchangeably, there's a subtle but important distinction:
- Sea: Generally refers to a smaller body of saltwater, often partially or fully enclosed by land. Examples include the Mediterranean Sea, the Black Sea, or the Caribbean Sea.
- Ocean: Refers to much larger and deeper bodies of saltwater that cover vast areas of the Earth's surface and are not typically enclosed by land. There are five major oceans: the Pacific, Atlantic, Indian, Southern (Antarctic), and Arctic Oceans.
Think of it this way: all seas are part of oceans, but not all oceans are called seas. When you're talking about a specific, often partially enclosed body of saltwater, 'sea' is usually the more accurate term. When referring to the vast, open expanses of saltwater that separate continents, 'ocean' is more appropriate.
§ Similar Words and Alternatives
While 'sea' is a great word, here are some alternatives and when you might use them:
- Ocean: As discussed, use 'ocean' for the largest bodies of saltwater.
- Lake: A large body of fresh water surrounded by land. Use this when the water is fresh and entirely enclosed by land.
- River: A natural flow of water moving towards an ocean, sea, lake, or another river. Use this for flowing freshwater.
- Pond: A small body of still water, smaller than a lake.
When to use 'sea' vs. alternatives:
- Use 'sea' when you are specifically talking about a large body of saltwater that might be partially enclosed, or when using common phrases like 'by the sea' or 'at sea'.
- Use 'ocean' for the immense, global bodies of saltwater.
- Use 'lake', 'river', or 'pond' for different types of freshwater bodies depending on their size and movement.
The Mediterranean Sea is popular for holidays.
The Pacific Ocean is the largest in the world.
How Formal Is It?
"The marine environment is crucial for global ecological balance."
"We spent the afternoon by the sea, enjoying the gentle breeze."
"Let's head to the ocean this weekend and catch some waves."
"We're going to the beach to build sandcastles and splash in the water!"
"He's always dreaming of adventures out on the briney deep."
재미있는 사실
The word 'sea' is related to Dutch 'zee', German 'See', and Old Norse 'sær'.
난이도
short and common word
short and common word
short and common word
short and common word
다음에 무엇을 배울까
다음에 배울 것
고급
수준별 예문
We went to the sea for our vacation.
vacation (holiday)
Using 'the sea' as a general destination.
The sea was calm and blue today.
calm (quiet, peaceful)
Describing the state of the sea.
Many fish live in the sea.
fish (animal that lives in water)
Indicating habitat.
My friend loves to swim in the sea.
swim (move through water)
Using 'swim in' to describe an activity.
The boat sailed across the sea.
sailed (moved by wind on water)
Using 'across the sea' to describe movement.
We saw a big ship on the sea.
ship (large boat)
Using 'on the sea' to indicate location.
It was very windy by the sea.
windy (with a lot of wind)
Using 'by the sea' to indicate proximity.
The children played in the sand near the sea.
played (did an activity for fun)
Using 'near the sea' to indicate proximity.
The relentless expanse of the open sea stretched before them, a formidable challenge to even the most seasoned mariners.
Focus on 'relentless expanse' and 'formidable challenge' for C2 vocabulary.
Complex sentence structure with an introductory phrase and appositive.
Having navigated the treacherous seas of political intrigue for decades, she possessed an unparalleled understanding of power dynamics.
Note the metaphorical use of 'seas of political intrigue'.
Past perfect continuous for an ongoing action completed before another past action; metaphorical language.
Despite the tempestuous seas, the resilience of the ancient lighthouse stood as a stoic sentinel against nature's fury.
Emphasize 'tempestuous' and 'stoic sentinel'.
Use of evocative adjectives and a simile ('stood as a stoic sentinel').
The intricate ecosystems of the deep sea remain largely unexplored, a testament to humanity's limited grasp of its own planet.
Highlight 'intricate ecosystems' and 'limited grasp'.
Noun phrase with multiple adjectives; 'a testament to...' as an idiomatic expression.
A profound sense of yearning for the sea, an intrinsic connection to its untamed wilderness, drew him back to the coast year after year.
Capture the emotional depth of 'profound sense of yearning' and 'intrinsic connection'.
Use of abstract nouns and an appositive phrase ('an intrinsic connection...').
The discovery of novel marine species continually underscores the boundless biodiversity harbored within the world's seas.
Focus on 'novel marine species' and 'boundless biodiversity'.
Present simple for general truths; advanced vocabulary.
His arduous journey across the Pacific sea was a crucible of self-discovery, forging within him an unyielding spirit.
Translate 'arduous journey' and 'crucible of self-discovery'.
Metaphorical language ('crucible of self-discovery'); participial phrase ('forging within him...').
The ebb and flow of the sea's tides mirror the cyclical nature of life, a constant reminder of renewal and impermanence.
Note 'ebb and flow' and 'cyclical nature of life'.
Idiomatic expression ('ebb and flow'); metaphor; appositive phrase ('a constant reminder...').
자주 쓰는 조합
자주 쓰는 구문
go to sea
ir al mar
sail the sea
navegar el mar
swim in the sea
nadar en el mar
live by the sea
vivir junto al mar
the sea is rough
el mar está agitado
the sea is calm
el mar está en calma
travel by sea
viajar por mar
cross the sea
cruzar el mar
sea of change
mar de cambios
sea of faces
mar de caras
문법 패턴
관용어 및 표현
"a drop in the ocean"
A very small amount compared to what is needed or expected.
My small donation is just a drop in the ocean compared to the millions needed.
neutral"at sea"
Confused and not knowing what to do.
I'm completely at sea with these new instructions.
neutral"between the devil and the deep blue sea"
In a difficult situation where both choices are unpleasant.
He was between the devil and the deep blue sea, having to choose between losing his job or moving to another country.
neutral"the calm before the storm"
A period of peace or quiet before a period of activity or trouble.
It was the calm before the storm, as everyone prepared for the big presentation.
neutral"plain sailing"
Easy and without problems.
After we finished the difficult part, the rest of the project was plain sailing.
neutral"a sea change"
A profound or notable transformation.
There's been a sea change in public opinion about environmental issues.
formal"many more fish in the sea"
There are many other opportunities or people available, especially after a disappointment.
Don't worry about that missed opportunity; there are plenty more fish in the sea.
informal"sail close to the wind"
To take risks or act in a way that is close to being illegal or improper.
He's sailing close to the wind with his business practices.
neutral"smooth sailing"
A situation without difficulties or problems.
Once we get this software installed, it should be smooth sailing.
neutral"to get your sea legs"
To become accustomed to a new or unfamiliar situation.
It took me a few days to get my sea legs in the new job.
neutral문장 패턴
The [adjective] sea
The blue sea.
Go to the sea
Let's go to the sea.
Swim in the sea
I want to swim in the sea.
Near the sea
Our house is near the sea.
By the sea
They like to walk by the sea.
See the sea
Can you see the sea from here?
The sea is [adjective]
The sea is cold.
A day at the sea
We had a fun day at the sea.
사용법
The word 'sea' refers to a large expanse of saltwater. It's often used interchangeably with 'ocean,' but 'sea' generally implies a smaller body of water that is partially or fully enclosed by land, such as the Mediterranean Sea or the North Sea. We use 'the sea' when referring to the general concept of the ocean or when going to the coast, e.g., 'I love to swim in the sea.'
- Using 'sea' instead of 'ocean' for very large bodies of water: While sometimes interchangeable, it's more accurate to use 'ocean' for the five major oceans (Pacific, Atlantic, Indian, Southern, Arctic).
- Confusing 'sea' with 'beach': The 'sea' is the water, while the 'beach' is the sandy or pebbly land beside it.
- Forgetting the article 'the': When referring to the general concept of the sea, we often use 'the sea' (e.g., 'We went to the sea'). However, if you are talking about a specific named sea, you would capitalize it (e.g., 'the Black Sea').
팁
Visualize it!
When you hear or read the word sea, try to picture a vast expanse of blue water. Think about beaches, waves, and boats.
Use it in a simple sentence.
Practice making a sentence like: 'I want to swim in the sea.' or 'The sea is very big.'
Draw a picture.
Grab a pen and paper and draw a simple picture of the sea. Label it with the word to reinforce your memory.
Listen to it.
Find an audio recording of the word sea and repeat it aloud. Pay attention to the pronunciation.
Find a synonym or antonym (simple).
For sea, a similar word could be 'ocean' (though remember the definition difference!). A simple opposite might be 'land'.
Relate it to your own language.
How do you say sea in your native language? Connecting it can help with understanding.
Use flashcards.
Write 'sea' on one side of a flashcard and its definition on the other. Review them regularly.
Watch a short video.
Search for a short, simple video about the sea, like a children's cartoon or nature clip, and listen for the word.
Ask a question using the word.
Try asking: 'Do you like the sea?' or 'How blue is the sea today?'
Practice spelling it.
Write the word sea multiple times. This helps to solidify its spelling in your mind.
암기하기
기억법
Imagine a **S**altwater **E**xpanse **A**round land.
시각적 연상
Picture a vast blue body of water, maybe with some sandy beaches and a few islands. Think of waves gently lapping at the shore, and perhaps a seagull flying overhead. You can even imagine the smell of salt in the air.
Word Web
챌린지
Describe your favorite activity to do near the sea in three sentences. For example, 'I love to build sandcastles by the sea. The sound of the waves is very relaxing. Sometimes I go swimming in the cool water.'
어원
Old English 'sǣ'
원래 의미: body of water, sea, lake, pool
Germanic (from Proto-Germanic *saiwiz)문화적 맥락
The sea has been a powerful symbol in literature, art, and mythology across many cultures. It represents both life and death, beauty and danger, and the unknown. Throughout history, the sea has also been crucial for trade, exploration, and sustenance for coastal communities.
셀프 테스트 90 질문
Listen to the color of the sea.
What does the speaker like to do?
Where do fish live?
Read this aloud:
The sea is very big.
Focus: /s/
당신의 답변:
Speech recognition is not supported in your browser. Try Chrome or Edge.
Read this aloud:
I see the sea.
Focus: /s/
당신의 답변:
Speech recognition is not supported in your browser. Try Chrome or Edge.
Read this aloud:
Let's go to the sea.
Focus: /l/
당신의 답변:
Speech recognition is not supported in your browser. Try Chrome or Edge.
Write a short sentence using the word 'sea'.
Well written! Good try! Check the sample answer below.
Sample answer
I like to swim in the sea.
Describe one thing you can find in the sea in a simple sentence.
Well written! Good try! Check the sample answer below.
Sample answer
Fish live in the sea.
Complete the sentence: 'The ___ is very big.'
Well written! Good try! Check the sample answer below.
Sample answer
The sea is very big.
What lives in the sea?
Read this passage:
The sea is a big place. Many animals live in the sea. We can see fish and dolphins. Some people like to swim in the sea.
What lives in the sea?
The passage says 'Many animals live in the sea.'
The passage says 'Many animals live in the sea.'
What color was the sea?
Read this passage:
I went to the beach. I saw the big blue sea. I put my feet in the water. It was cold.
What color was the sea?
The passage states, 'I saw the big blue sea.'
The passage states, 'I saw the big blue sea.'
What kind of water is the sea?
Read this passage:
The sea is salty water. It covers a lot of the Earth. You can take a boat on the sea.
What kind of water is the sea?
The passage says, 'The sea is salty water.'
The passage says, 'The sea is salty water.'
Which of these is a large body of salt water, smaller than an ocean?
A sea is defined as a large body of salt water that covers most of the Earth's surface, generally smaller than an ocean.
Where can you often find a sea?
The definition states that a sea is often partly or fully surrounded by land.
What kind of water does a sea contain?
A sea is a large body of salt water.
A sea is usually larger than an ocean.
The definition says a sea is generally smaller than an ocean.
The sea covers most of the Earth's surface.
A sea is a large body of salt water that covers most of the Earth's surface.
All seas are completely surrounded by land.
The definition states that a sea is often partly or fully surrounded by land, not always completely.
Listen for where the children play.
What can you see in the sea?
What did the ship sail across?
Read this aloud:
I want to swim in the warm sea.
Focus: sea
당신의 답변:
Speech recognition is not supported in your browser. Try Chrome or Edge.
Read this aloud:
Do you like to visit the sea?
Focus: sea
당신의 답변:
Speech recognition is not supported in your browser. Try Chrome or Edge.
Read this aloud:
The sea is very big and blue.
Focus: sea, big, blue
당신의 답변:
Speech recognition is not supported in your browser. Try Chrome or Edge.
Write a short sentence describing something you can see at the sea.
Well written! Good try! Check the sample answer below.
Sample answer
I can see a big boat on the sea.
Imagine you are at the sea. What do you like to do there?
Well written! Good try! Check the sample answer below.
Sample answer
I like to swim and play in the sand when I am at the sea.
Complete the sentence: The sea is very...
Well written! Good try! Check the sample answer below.
Sample answer
The sea is very blue.
Where did the family stay during their vacation?
Read this passage:
My family and I went on vacation last summer. We stayed in a small house near the sea. Every morning, we walked on the beach and looked at the beautiful blue water. Sometimes, we saw small fish swimming in the sea. It was a very relaxing trip.
Where did the family stay during their vacation?
The passage states, 'We stayed in a small house near the sea.'
The passage states, 'We stayed in a small house near the sea.'
What do dolphins like to do in the sea?
Read this passage:
Dolphins are smart animals that live in the sea. They like to swim and jump out of the water. People often go on special boat trips to see dolphins in their natural home. It's an amazing experience to watch them.
What do dolphins like to do in the sea?
The passage says, 'They like to swim and jump out of the water.'
The passage says, 'They like to swim and jump out of the water.'
Which of these countries is NOT mentioned as being around the Mediterranean Sea?
Read this passage:
The Mediterranean Sea is a very famous sea. Many countries are around it, like Italy, Greece, and Spain. The water in the Mediterranean Sea is often warm and clear, which makes it popular for swimming and diving. There are also many different kinds of fish and plants living there.
Which of these countries is NOT mentioned as being around the Mediterranean Sea?
The passage mentions Italy, Greece, and Spain, but not France.
The passage mentions Italy, Greece, and Spain, but not France.
Which of these activities is most commonly associated with being near the sea?
The sea is strongly associated with beaches and activities like sunbathing.
If someone describes a journey as 'across the sea', what are they most likely doing?
Traveling 'across the sea' implies a journey by boat or ship, often between different landmasses.
Which phrase best describes the general characteristic of the sea's water?
The sea is known for its salt water and its immense size.
The Mediterranean Sea is completely surrounded by land.
While largely enclosed, the Mediterranean Sea connects to the Atlantic Ocean via the Strait of Gibraltar.
Many different types of fish and marine animals live in the sea.
The sea is a diverse ecosystem that supports a wide array of marine life.
Lakes are generally larger than seas.
By definition, the sea is generally larger than a lake and covers a significant portion of the Earth's surface.
Listen for the name of the sea.
What lives in the sea?
What did they do in the sea?
Read this aloud:
Can you describe a time you saw the sea?
Focus: describe
당신의 답변:
Speech recognition is not supported in your browser. Try Chrome or Edge.
Read this aloud:
What are some activities people enjoy doing at the sea?
Focus: activities
당신의 답변:
Speech recognition is not supported in your browser. Try Chrome or Edge.
Read this aloud:
Why is it important to protect the sea and its ecosystems?
Focus: ecosystems
당신의 답변:
Speech recognition is not supported in your browser. Try Chrome or Edge.
This sentence describes the mysterious nature of the deep ocean, using 'sea' as a synonym.
This sentence describes the appealing characteristics of the sea for swimming.
This sentence describes a common mode of transport across a large body of water.
The shipping forecast warned of exceptionally high waves at ___.
In this context, 'at sea' is a common idiom referring to being out on the ocean, experiencing its conditions.
After months of meticulous planning, the archaeological team set out to ___ for the sunken galleon.
'Search the sea' is the most appropriate verb phrase for looking for something specific in the sea. 'Explore' is too general, 'voyage' refers to the journey itself, and 'embark' means to go on board a ship.
The novelist often used the metaphor of the vast, unknowable ___ to represent the human subconscious.
The 'sea' is often used metaphorically to represent something vast, deep, and mysterious, aligning with the concept of the human subconscious.
The term 'high seas' refers to coastal waters under national jurisdiction.
The 'high seas' actually refer to all parts of the sea that are not included in the territorial sea or internal waters of any state.
A tsunami is a series of ocean waves caused by large-scale disturbances of the sea.
Tsunamis are indeed powerful ocean waves, often caused by underwater earthquakes or volcanic eruptions, which disturb the sea floor.
When someone is described as 'at sea' in a metaphorical sense, it means they are feeling perfectly clear and oriented.
To be 'at sea' metaphorically means to be confused, bewildered, or uncertain about a situation.
Focus on the descriptive language used to portray the sea's impact on the land.
Pay attention to how the sea is depicted during a storm and the challenges faced by those on it.
Consider the contrast between the surface appearance of the sea and the reality of its depths.
Read this aloud:
The profound mystery of the deep sea continues to captivate scientists, driving expeditions to uncover its hidden wonders.
Focus: profound, mystery, captivate, expeditions, uncover
당신의 답변:
Speech recognition is not supported in your browser. Try Chrome or Edge.
Read this aloud:
Navigating the open sea requires not only skill and experience but also an acute awareness of unpredictable weather patterns.
Focus: navigating, acute, awareness, unpredictable, patterns
당신의 답변:
Speech recognition is not supported in your browser. Try Chrome or Edge.
Read this aloud:
For many coastal communities, the sea represents both a source of livelihood and a constant threat, demanding respect for its immense power.
Focus: coastal, communities, livelihood, constant, demanding, immense
당신의 답변:
Speech recognition is not supported in your browser. Try Chrome or Edge.
Discuss the profound impact of rising sea levels on coastal ecosystems and human populations, proposing comprehensive strategies for mitigation and adaptation.
Well written! Good try! Check the sample answer below.
Sample answer
The escalating phenomenon of sea level rise presents an existential threat to coastal ecosystems and human populations globally. Coastal erosion, salinization of freshwater sources, and habitat loss for critical species are direct consequences, leading to significant biodiversity decline. For human populations, this translates into increased flooding, displacement, and economic instability as infrastructure and livelihoods are jeopardized. Comprehensive mitigation strategies necessitate a drastic reduction in greenhouse gas emissions through transitioning to renewable energy sources and implementing stringent carbon sequestration initiatives. Simultaneously, adaptation measures such as constructing robust sea defenses, restoring natural coastal barriers like mangroves and coral reefs, and developing resilient urban planning are paramount. International collaboration and substantial financial investment are crucial to effectively address this multifaceted crisis and safeguard vulnerable communities and ecosystems.
Compose an argumentative essay detailing the ethical implications of deep-sea mining, considering its potential economic benefits against its irreversible environmental damage.
Well written! Good try! Check the sample answer below.
Sample answer
Deep-sea mining, while promising significant economic benefits through the extraction of valuable minerals, raises profound ethical questions concerning its irreversible environmental damage. Proponents argue that these minerals are crucial for technological advancement and a green energy transition, thus justifying the exploration of new frontiers. However, the fragile and largely unexplored deep-sea ecosystems harbor unique biodiversity, and mining operations risk catastrophic habitat destruction, noise pollution, and the release of toxic plumes, with recovery timescales spanning centuries, if not millennia. Ethically, the long-term ecological consequences, including potential impacts on global climate regulation and marine food webs, must outweigh short-term economic gains. A precautionary principle approach, advocating for extensive research and the development of sustainable alternatives, is imperative to avoid an ecological catastrophe in the planet's last untouched wilderness.
Analyze the historical and geopolitical significance of maritime trade routes, particularly focusing on their role in shaping global economies and international relations.
Well written! Good try! Check the sample answer below.
Sample answer
Maritime trade routes have historically been pivotal in shaping global economies and international relations, their geopolitical significance enduring to the present day. From the ancient Silk Road of the Sea to modern container shipping lanes, these routes have facilitated the exchange of goods, ideas, and cultures, driving economic prosperity and fostering interconnectedness. Control over key maritime chokepoints, such as the Suez Canal or the Strait of Malacca, confers immense strategic advantage, impacting global supply chains and national security. This control has historically been a source of conflict and competition among nations, influencing alliances and military expenditures. Understanding the intricacies of maritime geopolitics is crucial for comprehending contemporary global power dynamics, trade policies, and the challenges of maintaining peace and stability in an increasingly interconnected world.
Which of the following best describes the contemporary usage of the idiom 'sea change'?
Read this passage:
The concept of 'sea change' denotes a profound and often transformative alteration, typically occurring over a significant period. Originating from Shakespeare's 'The Tempest,' where it refers to a transformation undergone by a drowned body, the idiom has evolved to describe any fundamental shift in perspective, circumstances, or conditions. While often associated with significant societal or technological shifts, its etymology firmly roots it in oceanic metamorphosis, underscoring the powerful and sometimes unpredictable nature of such transitions.
Which of the following best describes the contemporary usage of the idiom 'sea change'?
The passage explicitly states that the idiom has evolved to describe 'any fundamental shift in perspective, circumstances, or conditions,' which aligns with a gradual and fundamental transformation.
The passage explicitly states that the idiom has evolved to describe 'any fundamental shift in perspective, circumstances, or conditions,' which aligns with a gradual and fundamental transformation.
According to the passage, what is the primary cause of ocean acidification?
Read this passage:
Ocean acidification, a direct consequence of increased atmospheric carbon dioxide absorbed by the sea, poses a severe threat to marine ecosystems. This process reduces the availability of carbonate ions, essential for marine organisms like corals and shellfish to build their shells and skeletons. Scientists are observing widespread coral bleaching and declining shellfish populations, signaling a potential collapse of delicate marine food webs. The long-term implications extend beyond ecological damage, impacting global fisheries and the livelihoods of communities reliant on marine resources.
According to the passage, what is the primary cause of ocean acidification?
The passage clearly states, 'Ocean acidification, a direct consequence of increased atmospheric carbon dioxide absorbed by the sea...' which identifies the primary cause.
The passage clearly states, 'Ocean acidification, a direct consequence of increased atmospheric carbon dioxide absorbed by the sea...' which identifies the primary cause.
What is a potential challenge associated with the principle of 'freedom of the seas'?
Read this passage:
The concept of 'freedom of the seas' (mare liberum) is a principle in international law that states that the sea beyond national jurisdiction is open to all nations and cannot be appropriated by any single state. This principle, articulated by Hugo Grotius in the 17th century, underpins much of modern international maritime law, facilitating global trade and navigation. However, it is often debated in the context of resource exploitation and environmental protection, as the unbridled freedom can sometimes conflict with the collective responsibility to conserve marine environments.
What is a potential challenge associated with the principle of 'freedom of the seas'?
The passage states, 'However, it is often debated in the context of resource exploitation and environmental protection, as the unbridled freedom can sometimes conflict with the collective responsibility to conserve marine environments.'
The passage states, 'However, it is often debated in the context of resource exploitation and environmental protection, as the unbridled freedom can sometimes conflict with the collective responsibility to conserve marine environments.'
This sentence describes the importance of navigational charts for safe passage over a dangerous sea, often encountered in advanced maritime contexts.
This sentence uses 'profound mystery' and 'captivate scientists and explorers' to convey a high-level discussion about the sea's unexplored aspects.
This sentence uses more complex vocabulary like 'resilience' and 'fortified their spirits against any adversity' to describe the transformative experience of being at sea for an extended period.
The prodigious efforts of marine biologists are crucial in understanding the complex ecosystems that ___ beneath the waves.
To 'thrive' means to prosper or flourish, which aligns with the idea of complex ecosystems in the sea. The other options imply decline or disappearance.
Despite technological advancements, the vast and enigmatic depths of the deep ___ continue to elude comprehensive exploration.
The 'abyss' refers to the deepest parts of the ocean, fitting the context of vast and enigmatic depths. The other options are incorrect based on the description.
The maritime treaty aims to curtail the indiscriminate dumping of industrial waste, which has long been a pernicious ___ to marine life.
A 'scourge' is a cause of widespread suffering or affliction, which accurately describes the impact of industrial waste on marine life. The other options have positive or neutral connotations.
Navigating the tempestuous ___ during the hurricane proved to be a perilous undertaking for the seasoned sailors.
'Expanse' refers to a wide, continuous area, fitting the description of a large body of water during a storm. 'Haven' implies safety, 'estuary' is a river mouth, and 'fjord' is a narrow inlet.
The coral reefs, teeming with biodiversity, are a critical component of the oceanic ecosystem, acting as a vital ___ for countless species.
A 'sanctuary' is a place of refuge or safety, which accurately describes the role of coral reefs for marine life. The other options have negative connotations.
For centuries, the inexorable pull of the ___ has inspired poets and artists alike, captivating them with its raw power and unfathomable mysteries.
'Oceanic' directly relates to the sea and its inspiring qualities as described. The other options refer to land, air, and underground, respectively.
The prodigious quantity of plastic pollution accumulating in the ______ poses an existential threat to marine ecosystems.
While 'ocean' is plausible, 'sea' more precisely describes a body of water, often partly enclosed, where such accumulation is particularly visible and concentrated, especially when discussing localized ecological threats.
Despite technological advancements, traversing the treacherous Arctic ______ remains a formidable endeavor, fraught with peril.
The Arctic Sea refers to the large body of water, often ice-covered, that surrounds the North Pole. The other options are smaller, more specific geographical features.
The ancient mariners, through sheer grit and astronomical navigation, managed to circumnavigate the formidable open ______, pushing the boundaries of known exploration.
The term 'open sea' refers to the vast, unobstructed expanse of ocean, which aligns with the context of circumnavigation and exploration. The other options are terrestrial features.
A 'sea change' typically implies a minor, insignificant alteration in circumstances.
A 'sea change' metaphorically refers to a profound and fundamental transformation, not a minor one, akin to a complete shift in the ocean's state.
To 'plough the sea' suggests engaging in a highly productive and worthwhile endeavor.
To 'plough the sea' is an idiom meaning to undertake a futile or useless task, as one cannot effectively cultivate the ocean.
The phrase 'between the devil and the deep blue sea' signifies a situation of having an easy choice between two favorable options.
This idiom describes being in a difficult predicament with two equally undesirable alternatives, not favorable ones.
This sentence describes how dangerous seas led to the creation of advanced maps for sailing.
This sentence explains that early sailors explored unknown waters due to their curiosity and search for new trade paths.
This sentence highlights that the significant effects of increasing ocean heights on shorelines and human habitats are a critical worldwide issue.
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Summary
The sea is a vast body of salt water covering much of the Earth's surface, usually smaller than an ocean and often bordered by land.
- vast salty water
- earth's surface
- smaller than ocean
Visualize it!
When you hear or read the word sea, try to picture a vast expanse of blue water. Think about beaches, waves, and boats.
Use it in a simple sentence.
Practice making a sentence like: 'I want to swim in the sea.' or 'The sea is very big.'
Draw a picture.
Grab a pen and paper and draw a simple picture of the sea. Label it with the word to reinforce your memory.
Listen to it.
Find an audio recording of the word sea and repeat it aloud. Pay attention to the pronunciation.
예시
I love swimming in the sea during summer.
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amphibian
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asteroid
A1An asteroid is a large rock that travels through space and orbits the sun. It is much smaller than a planet and is mostly made of rock and metal.
astronomy
A1Astronomy is the scientific study of stars, planets, and everything else in space. It is the branch of science that looks at how the universe works outside of Earth's atmosphere.
atmospheric pressure
A1Atmospheric pressure is the weight of the air in the sky pressing down on the Earth. It changes depending on the weather and how high you are above the sea.
bear
A2털이 많고 크고 힘센 동물을 말해요.
camel
A2등에 혹이 있고 사막에서 사는 큰 동물이야.
camouflage
A1위장은 주변 환경과 비슷하게 보여서 몸을 숨기는 방법이에요. 눈에 잘 띄지 않게 해서 위험으로부터 자신을 보호하는 거죠.
canopy
A1나무들의 가지와 잎이 모여서 만들어진 숲의 가장 윗부분을 말해.
canyon
A1협곡은 아주 가파른 절벽이 있는 깊은 골짜기예요. 보통 강물이 흐르면서 오랜 시간 동안 땅을 깎아 만들어지죠.
