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activity

A2 noun #320 最常用 8分钟阅读

activity

前320

开始练习例句笔记与提示 activity 30秒了解

解析 activity in your Level:

At the A1 level, 'activity' is a word you use to talk about simple things you do. It usually means a 'thing to do' in a classroom or a hobby. For example, 'I like this activity.' You might hear your teacher say, 'Let's do a fun activity today.' It is a basic noun that helps you describe your day. You don't need to worry about complex meanings yet. Just think of it as a synonym for 'task' or 'game' in a school setting. It is important to know that you can have one activity or many activities. When you have more than one, the 'y' changes to 'ies'. This is a common rule for words ending in 'y'. You will often see it used with 'physical' to mean moving your body. 'Running is a physical activity.' This is a very common sentence at this level. You might also see it in your textbook at the start of a new section. It tells you that there is something for you to do, like a puzzle or a matching game. Learning this word early helps you follow instructions in English class. It is a very positive word most of the time, associated with learning and playing. You can also use it to talk about your weekend. 'I did many activities this weekend.' This is a simple way to say you were busy without listing every single thing you did. It's a very useful 'umbrella' word.

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At the A2 level, you start to use 'activity' in more specific ways. You can distinguish between 'leisure activities' (things you do for fun) and 'work activities'. You also begin to understand that 'activity' can describe a place that is busy. For example, 'The market was full of activity.' Here, it doesn't mean a specific game, but rather the general feeling of people moving and doing things. You will also see it in health contexts, like 'physical activity is good for you.' You should be comfortable using the plural form 'activities' to list your hobbies. For instance, 'My favorite activities are swimming and reading.' You might also encounter 'extracurricular activities' when talking about school. These are things like sports or music that you do after your regular classes. At this level, you are building collocations—words that often go together. Common ones include 'outdoor activity', 'group activity', and 'daily activity'. You are also learning that 'activity' is a noun, while 'active' is the adjective. You can say 'I am an active person' or 'I like physical activity.' Understanding this difference is a key step in your grammar development. You will also see 'activity' used in travel brochures to describe what you can do on a holiday. 'The hotel offers many activities for children.' This helps you understand what to expect when you go somewhere new.

At the B1 level, you use 'activity' to describe more complex social and economic situations. You might talk about 'economic activity' in a country or 'social activity' in a community. You understand that the word can be uncountable when referring to a general state. For example, 'There has been a lot of activity in the office lately.' This means people have been very busy. You also start to use the word in more formal writing, such as reports or essays. You might write about the 'activity of a volcano' or 'brain activity' in a science report. You are becoming familiar with idioms like 'a hive of activity', which describes a very busy place. You can also use 'activity' to talk about legal or illegal actions, such as 'criminal activity' or 'political activity'. This shows a more sophisticated understanding of how society functions. You might also use it to describe the level of engagement in a project. 'We need to increase our activity on social media.' This means doing more posts and interacting more with followers. At B1, you are also expected to use synonyms to avoid repetition. Instead of always saying 'activity', you might use 'task', 'pursuit', or 'undertaking' depending on the context. You are also more aware of prepositions. You know to say 'participate in an activity' and 'the activity of doing something'. This precision is what marks the transition to an intermediate learner.

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At the B2 level, 'activity' is used with high precision in various professional and academic fields. You understand its use in 'activity-based costing' in business or 'activity theory' in psychology. You can discuss 'solar activity' or 'seismic activity' with an understanding of the scientific processes involved. In your writing, you use 'activity' to analyze trends. For example, 'The recent surge in merger and acquisition activity suggests a confident market.' You are also comfortable with the word's abstract meanings. You might talk about 'intellectual activity' or 'creative activity' as essential parts of human life. You can use the word to describe the intensity of a process, such as 'a flurry of activity' or 'a lull in activity'. These phrases add color and detail to your descriptions. You also understand the nuances between 'activity' and 'action'. You know that 'action' is often more decisive and goal-oriented, while 'activity' can be more general or ongoing. For instance, 'The government's action stopped the illegal activity.' You are also aware of the word's use in digital contexts, such as an 'activity log' or 'user activity'. This is crucial for navigating modern technology and business environments. Your vocabulary is now broad enough that you can choose 'activity' specifically when you want to emphasize the process or the state of being active, rather than just the result.

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At the C1 level, you use 'activity' to discuss complex, abstract concepts with ease. You might explore the 'activity of the soul' in a philosophical essay or the 'neural activity' associated with consciousness in a neuroscience paper. You understand the word's role in defining systems and structures. For example, you might analyze how 'economic activity' is distributed across different sectors of a society. You use the word in highly formal contexts, such as legal documents or academic journals. You might read about 'prohibited activities' in a contract or 'experimental activities' in a research methodology section. Your use of collocations is natural and varied. You might speak of 'clandestine activity', 'frenetic activity', or 'residual activity'. You also understand the word's use in historical contexts, such as 'revolutionary activity' or 'missionary activity'. You can use 'activity' to describe the underlying energy of a period or a movement. 'The Renaissance was a period of intense artistic and intellectual activity.' At this level, you are also sensitive to the word's connotations. You know that 'activity' can sometimes imply busywork or lack of focus, as in 'Don't confuse activity with progress.' This shows a deep, idiomatic understanding of the language. You can use the word to build complex arguments, showing how different types of activity interact and influence each other.

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At the C2 level, your mastery of 'activity' is complete. You use it with the same nuance and range as a highly educated native speaker. You can use it in literary ways to create atmosphere or to delve into the deepest philosophical questions. You might write about the 'ceaseless activity of the mind' or the 'microscopic activity that sustains life'. You are comfortable using the word in any professional field, from high finance to theoretical physics. You understand the most obscure technical uses of the word, such as 'optical activity' in chemistry or 'specific activity' in radiochemistry. Your writing is characterized by a perfect choice of synonyms and related terms, ensuring that 'activity' is used only when it is the most precise word available. You can use it to critique social structures, perhaps discussing the 'commodification of leisure activity' or the 'surveillance of digital activity'. You are also adept at using the word in rhetorical devices, such as irony or metaphor. You might describe a stagnant organization as having 'the activity of a graveyard'. Your understanding of the word is not just about its definition, but about its history, its associations, and its power to shape how we perceive the world. You see 'activity' as a fundamental category of existence, and you can discuss its implications in any context, from the mundane to the sublime.

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开始练习例句笔记与提示

activity 30秒了解

A noun meaning something you do for a purpose.
Can be physical (moving) or mental (thinking).
Used in schools, health, business, and science.
Has both countable (tasks) and uncountable (busyness) forms.

The word activity is a versatile noun that fundamentally refers to the state of doing something or the quality of being active. At its core, it describes a situation where things are happening or being done. In everyday conversation, we use it to describe the various tasks, hobbies, and movements that fill our lives. Whether you are talking about a busy street, a classroom project, or a workout at the gym, you are discussing different forms of activity. The term can be used in both a general sense—referring to the general state of motion—and a specific sense—referring to a particular event or task.

General Usage: In a general sense, activity describes the level of movement or action in a specific area. For example, a doctor might check for brain activity, or a geologist might monitor volcanic activity. In these cases, it refers to the presence of energy or function.

There was a sudden burst of activity in the kitchen as the chefs prepared for the dinner rush.

Specific Tasks: When used to describe specific tasks, an activity is a particular thing that you do, often for a purpose like learning, health, or fun. Teachers plan classroom activities to help students understand a lesson, while travel agents suggest leisure activities for tourists.

Painting is a creative activity that many people find relaxing after a long day at work.

Physical vs. Mental: Activities are often categorized by the type of effort required. Physical activity includes sports, walking, and manual labor, focusing on body movement. Mental activity involves thinking, solving puzzles, or studying, focusing on cognitive engagement.

The detective engaged in intense mental activity to solve the complex mystery.

Outdoor activity is essential for maintaining a healthy lifestyle and getting enough vitamin D.

The company reported increased commercial activity during the holiday season.

Understanding the context is key to using 'activity' correctly. It spans from the microscopic level of cellular activity to the macroscopic level of global economic activity. It is a word that captures the essence of life itself, as life is defined by the continuous presence of biological and physical processes.

Using the word activity correctly requires an understanding of its grammatical flexibility. As a noun, it can function as the subject of a sentence, the object of a verb, or the object of a preposition. One of the most common ways to use it is with descriptive adjectives that specify the type of activity being discussed.

As a Subject: When 'activity' is the subject, it usually describes a state or a set of actions that lead to a result. It sets the scene for the rest of the sentence.

Physical activity helps to reduce stress and improve cardiovascular health.

As an Object: As an object, it follows a verb that indicates participation, observation, or planning. Common verbs used with activity include 'do', 'perform', 'organize', and 'monitor'.

The students will participate in a group activity to practice their speaking skills.

Plural Usage: The plural form 'activities' is used when referring to multiple different things to do. This is very common in educational and recreational contexts.

The summer camp offers various activities, such as swimming, hiking, and archery.

Criminal activity in the neighborhood has decreased significantly over the last year.

The construction site was a hive of activity from dawn until dusk.

In more formal or scientific writing, 'activity' is often used to describe the function of a system. For instance, 'solar activity' refers to the changes in the sun's appearance and energy output. In these contexts, the word is almost always uncountable. Whether you are writing a simple email about your weekend plans or a complex report on economic trends, 'activity' provides a clear way to describe what is happening.

You will encounter the word activity in a vast array of real-world settings, from the mundane to the highly professional. Its broad definition allows it to fit into almost any conversation about human or natural behavior.

In Schools and Education: Teachers use this word daily. They talk about 'extracurricular activities' like sports teams or drama clubs. They also describe 'learning activities' that happen inside the classroom, such as group discussions or science experiments.

Please turn to page 42 and complete the listening activity with your partner.

In Health and Fitness: Doctors and fitness trainers emphasize 'physical activity'. You might hear a doctor ask, 'How much physical activity do you get each week?' or see a fitness app tracking your 'daily activity levels'.

Moderate physical activity, such as brisk walking, is recommended for at least 150 minutes a week.

In Business and Finance: Financial analysts track 'market activity' to understand how the economy is performing. They might discuss a 'slowdown in economic activity' or a 'surge in trading activity'.

The report shows a significant increase in consumer activity following the tax cuts.

Police are investigating reports of suspicious activity near the bank late last night.

The resort offers a wide range of water-based activities, including snorkeling and jet skiing.

From the 'activity feed' on your social media profile to the 'seismic activity' recorded by a seismograph, this word is everywhere. It is a fundamental building block of English vocabulary because it allows us to group diverse actions under a single, understandable concept.

While activity is a common word, learners often make specific errors regarding its countability, its distinction from similar words like 'action', and its use in certain collocations.

Activity vs. Action: 'Action' usually refers to a single act or the process of doing something to achieve a result (e.g., 'take action'). 'Activity' refers to the state of being active or a specific pursuit (e.g., 'leisure activity'). You wouldn't say 'I did a fun action today'; you would say 'I did a fun activity'.

The government needs to take action (not activity) to solve the climate crisis.

Countability Confusion: Learners often forget to use the plural 'activities' when referring to multiple types of things. Conversely, they might try to pluralize 'activity' when it should be uncountable, such as when describing a general state of motion.

Incorrect: He enjoys many activity. Correct: He enjoys many activities.

Wrong Prepositions: People sometimes use 'in' when they should use 'of'. For example, 'the activity of swimming' is more natural than 'the activity in swimming'. Also, we say 'participate in an activity', not 'participate at an activity'.

She loves the activity of gardening during the spring months.

The city center is full of activity (uncountable) on Saturday mornings.

The volcano is showing signs of increased activity, prompting an evacuation order.

Another common mistake is using 'activity' when 'exercise' is more specific and appropriate. While exercise is a type of activity, if you are specifically talking about working out to get fit, 'exercise' is the better choice. 'Activity' is broader and can include things like playing cards or cooking, which are not necessarily exercise.

To enrich your vocabulary, it is helpful to know words that are similar to activity but have slightly different nuances. Choosing the right word can make your writing more precise and professional.

Task: A 'task' is a specific piece of work to be done, often one that is unpleasant or difficult. While an activity can be for fun, a task usually implies duty or necessity.

Completing the tax forms was a tedious task that took all afternoon.

Pursuit: A 'pursuit' is an activity that one spends a lot of time on, often a hobby or a professional goal. It sounds more formal and dedicated than 'activity'.

His scholarly pursuits left him with little time for a social life.

Endeavor: An 'endeavor' is an activity that involves a lot of effort and is often ambitious. It is a very formal word used for major projects or life goals.

Starting a new business is a risky but potentially rewarding endeavor.

Reading is my favorite pastime during the winter months.

The rescue operation involved dozens of volunteers and local police.

By understanding these synonyms, you can avoid repeating the word 'activity' too often in your writing. If you are talking about a job, use 'task'. If you are talking about a hobby, use 'pastime' or 'pursuit'. If you are talking about a grand plan, use 'endeavor'. This variety makes your English sound more natural and sophisticated.

How Formal Is It?

趣味小知识

The root 'ag-' in 'agere' is one of the most productive in English, giving us words like 'agent', 'agenda', 'agile', and even 'ambiguous'.

发音指南

UK /ækˈtɪv.ə.ti/

US /ækˈtɪv.ə.t̬i/

ac-TIV-i-ty

押韵词

captivity festivity nativity passivity reactivity relativity sensitivity subjectivity

常见错误

Stressing the first syllable (AC-tiv-i-ty).
Pronouncing the 'y' as 'ai'.
Mumbling the middle syllables.
Confusing the 'v' sound with a 'b' sound.
Making the 'i' sounds too long.

难度评级

阅读 2/5

Easy to recognize in most texts due to its common root.

写作 3/5

Requires care with the plural spelling 'activities'.

口语 2/5

Commonly used in everyday conversation.

听力 2/5

Clear pronunciation, though 't' can be flapped in US English.

接下来学什么

前置知识

do work play busy thing

接下来学习

action active exercise process function

高级

endeavor pursuit operation activation stagnation

需要掌握的语法

Pluralizing words ending in 'y'

One activity, two activities.

Gerunds as activities

Swimming (activity) is fun.

Adjectives before nouns

A creative activity.

Preposition 'in' with participation

She participated in the activity.

Uncountable vs Countable

Too much activity (uncountable) vs too many activities (countable).

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按水平分级的例句

I like this fun activity.

Me gusta esta actividad divertida.

Simple noun used with an adjective.

We do an activity in class.

Hacemos una actividad en clase.

Use of 'do' with 'activity'.

Running is a good activity.

Correr es una buena actividad.

Gerund as subject, 'activity' as complement.

What is your favorite activity?

¿Cuál es tu actividad favorita?

Question form with 'favorite'.

There are many activities today.

Hay muchas actividades hoy.

Plural form 'activities'.

This is a physical activity.

Esta es una actividad física.

Adjective 'physical' modifying 'activity'.

I enjoy outdoor activity.

Disfruto de la actividad al aire libre.

Uncountable use for general type.

Let's start the activity now.

Empecemos la actividad ahora.

Imperative 'let's' with 'activity'.

Swimming is my favorite leisure activity.

Nadar es mi actividad de ocio favorita.

Compound noun 'leisure activity'.

The school offers many extracurricular activities.

La escuela ofrece muchas actividades extracurriculares.

Adjective 'extracurricular' with plural noun.

There was a lot of activity in the city center.

Había mucha actividad en el centro de la ciudad.

Uncountable use meaning 'busyness'.

We need more physical activity in our daily lives.

Necesitamos más actividad física en nuestra vida diaria.

Quantifier 'more' with 'activity'.

The teacher explained the next classroom activity.

El profesor explicó la siguiente actividad de clase.

Noun adjunct 'classroom' modifying 'activity'.

I recorded my daily activity on my phone.

Registré mi actividad diaria en mi teléfono.

Possessive 'my' with 'activity'.

They organized a group activity for the volunteers.

Organizaron una actividad grupal para los voluntarios.

Verb 'organized' with 'activity'.

Is there any activity in the building?

¿Hay alguna actividad en el edificio?

Interrogative with 'any'.

The report highlights a decline in economic activity.

El informe destaca un descenso de la actividad económica.

Formal collocation 'economic activity'.

The kitchen was a hive of activity before the party.

La cocina era un hervidero de actividad antes de la fiesta.

Idiom 'a hive of activity'.

Police are monitoring suspicious activity in the area.

La policía está vigilando actividades sospechosas en la zona.

Collocation 'suspicious activity'.

Volcanic activity has increased over the last week.

La actividad volcánica ha aumentado durante la última semana.

Scientific use of 'activity'.

He is involved in various political activities.

Participa en diversas actividades políticas.

Phrase 'involved in... activities'.

The activity of reading helps expand your vocabulary.

La actividad de leer ayuda a ampliar tu vocabulario.

Structure 'the activity of [gerund]'.

There was a sudden flurry of activity in the office.

Hubo un repentino estallido de actividad en la oficina.

Phrase 'a flurry of activity'.

The website tracks user activity to improve its service.

El sitio web rastrea la actividad de los usuarios para mejorar su servicio.

Digital context 'user activity'.

The brain's electrical activity can be measured with an EEG.

La actividad eléctrica del cerebro puede medirse con un EEG.

Technical scientific collocation.

The company's commercial activity has expanded into Asia.

La actividad comercial de la empresa se ha expandido a Asia.

Business context 'commercial activity'.

There is a clear link between solar activity and climate patterns.

Existe un vínculo claro entre la actividad solar y los patrones climáticos.

Academic use in environmental science.

The law prohibits any illegal activity on the premises.

La ley prohíbe cualquier actividad ilegal en el local.

Legal context 'prohibits... activity'.

Her research focuses on the neural activity during sleep.

Su investigación se centra en la actividad neuronal durante el sueño.

Formal academic sentence structure.

The market saw a surge in trading activity this morning.

El mercado experimentó un aumento de la actividad comercial esta mañana.

Financial collocation 'trading activity'.

We must not confuse mere activity with actual progress.

No debemos confundir la mera actividad con el progreso real.

Philosophical/Management distinction.

The seismic activity was recorded by several stations.

La actividad sísmica fue registrada por varias estaciones.

Passive voice with scientific subject.

The Renaissance was characterized by a frenetic level of artistic activity.

El Renacimiento se caracterizó por un nivel frenético de actividad artística.

High-level adjective 'frenetic' modifying 'activity'.

The clandestine activity of the spy ring was finally uncovered.

Por fin se descubrió la actividad clandestina de la red de espionaje.

Advanced adjective 'clandestine'.

The philosopher explored the activity of the mind in his latest treatise.

El filósofo exploró la actividad de la mente en su último tratado.

Abstract philosophical usage.

The policy aims to stimulate economic activity in depressed regions.

La política pretende estimular la actividad económica en las regiones deprimidas.

Verb 'stimulate' with 'economic activity'.

There was a noticeable lull in activity during the summer months.

Hubo un notable parón de la actividad durante los meses de verano.

Noun 'lull' used to describe a decrease.

The enzyme's activity is highly dependent on the pH level.

La actividad de la enzima depende en gran medida del nivel de pH.

Technical biochemical usage.

The report criticized the lack of oversight regarding the bank's activities.

El informe criticaba la falta de supervisión de las actividades del banco.

Formal institutional critique.

The sheer scale of human activity is altering the planet's ecosystems.

La propia escala de la actividad humana está alterando los ecosistemas del planeta.

Use of 'sheer scale' for emphasis.

The ceaseless activity of the city can be both exhilarating and exhausting.

La incesante actividad de la ciudad puede ser a la vez estimulante y agotadora.

Advanced adjective 'ceaseless' and balanced adjectives.

The novel delves into the internal activity of a soul in crisis.

La novela ahonda en la actividad interna de un alma en crisis.

Metaphorical/Literary usage.

The radiocarbon dating depends on the specific activity of the sample.

La datación por radiocarbono depende de la actividad específica de la muestra.

Highly technical scientific term.

The political theorist argued that civic activity is the bedrock of democracy.

El teórico político sostuvo que la actividad cívica es la base de la democracia.

Abstract political discourse.

The market's volatility was exacerbated by high-frequency trading activity.

La volatilidad del mercado se vio exacerbada por la actividad de negociación de alta frecuencia.

Complex passive construction with technical finance terms.

The poem captures the microscopic activity of a forest floor in spring.

El poema capta la actividad microscópica del suelo de un bosque en primavera.

Evocative literary description.

The administration's activities were shrouded in a veil of secrecy.

Las actividades de la administración estaban envueltas en un velo de secreto.

Idiomatic and formal expression.

The study examines the synergistic activity of multiple drugs in the system.

El estudio examina la actividad sinérgica de varios fármacos en el organismo.

Advanced medical/pharmacological terminology.

近义词

action pursuit pastime exercise event operation

反义词

inactivity idleness stillness

常见搭配

physical activity

leisure activity

economic activity

extracurricular activity

suspicious activity

volcanic activity

brain activity

social activity

outdoor activity

criminal activity

常用短语

a hive of activity

— A place where many people are working hard and moving quickly.

The office was a hive of activity before the deadline.

flurry of activity

— A sudden, short period of being very busy.

There was a flurry of activity when the guests arrived.

burst of activity

— A short, intense period of doing something.

A sudden burst of activity in the kitchen meant dinner was ready.

lull in activity

— A temporary period of quiet or lack of action.

There was a lull in activity during the lunch hour.

range of activities

— A variety of different things to do.

The resort offers a wide range of activities.

level of activity

— The amount or intensity of action happening.

The doctor checked the patient's level of activity.

center of activity

— The main place where things are happening.

The town square was the center of activity.

daily activity

— Things that a person does every day.

Walking the dog is part of my daily activity.

group activity

— Something done by several people together.

The workshop included a group activity.

creative activity

— Something done to express imagination or art.

Painting is a wonderful creative activity.

容易混淆的词

activity vs action

Action is usually a single deed; activity is a state or a pursuit.

activity vs active

Active is an adjective (He is active); activity is a noun (He likes activity).

activity vs exercise

Exercise is a specific type of physical activity for fitness.

习语与表达

"a hive of activity"

— A very busy place where everyone is working hard.

The construction site was a hive of activity.

informal/neutral

"flurry of activity"

— A sudden, brief period of intense work or movement.

There was a flurry of activity as the plane landed.

neutral

"be in on the activity"

— To be involved in what is happening.

He wanted to be in on the activity from the start.

informal

"activity for activity's sake"

— Doing things just to be busy, without a real purpose.

We should avoid activity for activity's sake and focus on goals.

formal

"buzzing with activity"

— Full of energy and movement.

The market was buzzing with activity on Saturday.

informal

"hub of activity"

— The central point where most things are happening.

The kitchen is the hub of activity in our house.

neutral

"frenzy of activity"

— A state of wild or uncontrolled activity.

The newsroom was in a frenzy of activity after the announcement.

neutral

"whirlwind of activity"

— A very fast and energetic series of events.

The wedding preparations were a whirlwind of activity.

informal

"scurry of activity"

— Small, quick movements, often by many people or animals.

There was a scurry of activity as the rain started.

neutral

"hive of industry"

— Similar to 'hive of activity', emphasizing hard work.

The factory was a hive of industry.

neutral

容易混淆

activity vs action

Both refer to doing things.

Action is often used for decisive, goal-oriented steps (e.g., 'take action'). Activity is more general and can describe a state of being busy or a hobby.

We need to take action (not activity) to fix the problem.

activity vs act

Shortened form or related root.

An 'act' is usually a single thing done or a part of a play. 'Activity' is more continuous or a category of things.

It was an act of kindness. Gardening is a relaxing activity.

activity vs activation

Related noun form.

Activation is the process of making something start working. Activity is the state of it working.

The activation of the alarm caused a lot of activity in the building.

activity vs activism

Related noun form.

Activism is the use of direct action to achieve social or political goals. Activity is just doing things.

Her political activism involved many different activities.

activity vs active

Noun vs Adjective.

Active describes a person or thing. Activity is the thing itself.

He is very active because he does many activities.

句型

I like [adjective] activity.

I like fun activity.

[Gerund] is a [adjective] activity.

Hiking is a great outdoor activity.

There is a lot of [noun/adj] activity in [place].

There is a lot of economic activity in the city.

The [noun]'s activity has [verb] recently.

The volcano's activity has increased recently.

A [adjective] level of activity was [verb].

A frenetic level of activity was observed.

The [adjective] activity of [abstract noun] is [adjective].

The ceaseless activity of the mind is fascinating.

Participate in [adjective] activities.

Students participate in extracurricular activities.

Do an activity with [person].

I did an activity with my brother.

词族

名词

activity

activism

activist

activation

activator

动词

activate

reactivate

形容词

active

inactive

proactive

interactive

如何使用

frequency

Very high in both spoken and written English.

常见错误

I did many activity. → I did many activities.
When using 'many', you must use the plural form of the noun.
He is a very activity person. → He is a very active person.
You need the adjective 'active' to describe a person, not the noun 'activity'.
The government took activity to help. → The government took action to help.
The phrase is 'take action', which means to do something decisive.
I participate at the activity. → I participate in the activity.
The correct preposition to use with 'participate' is 'in'.
There was a flurry of activities. → There was a flurry of activity.
In the idiom 'flurry of activity', the word is usually uncountable.

小贴士

Watch the Plural

Always remember to change 'y' to 'ies' for the plural: activity -> activities. This is a common spelling mistake for learners.

Use Adjectives

Make your descriptions better by adding adjectives like 'physical', 'mental', 'creative', or 'outdoor' before 'activity'.

Idiomatic English

Use the phrase 'hive of activity' to describe a busy office or kitchen. It sounds very natural and advanced.

Avoid Repetition

If you have already used 'activity' in a paragraph, try using 'task', 'pursuit', or 'hobby' to keep your writing interesting.

Activity vs. Action

Use 'action' for single, important deeds and 'activity' for ongoing things or general busyness.

Physical Activity

In a health context, 'physical activity' is the standard term. Use it when talking about exercise and staying fit.

Classroom Context

In school, an 'activity' is usually a specific task the teacher gives you. 'Activities' (plural) refers to the whole lesson plan.

Natural Phenomena

Use 'activity' to describe things like volcanoes or the sun. It sounds more professional than saying 'the volcano is moving'.

Tech Usage

On apps and websites, 'activity' usually refers to what you have done recently, like 'recent activity' or 'activity log'.

Identify the Type

When you hear 'activity', listen for the word before it. It will tell you if they are talking about school, health, or science.

记住它

记忆技巧

Think of an 'ACT' in a play. An 'activity' is the 'ACT' you are doing 'IVITY' (every) day.

视觉联想

Imagine a beehive. Bees are always moving, doing tasks, and working together. This 'hive of activity' is the perfect image for the word.

Word Web

Sports Hobbies Work School Health Movement Tasks Energy

挑战

Try to use the word 'activity' three times in a conversation today: once for a hobby, once for work/school, and once to describe a busy place.

词源

The word 'activity' comes from the Middle French 'activité', which in turn comes from the Latin 'activitas'. This Latin root is derived from 'activus', meaning 'active', which comes from 'agere', meaning 'to do' or 'to drive'.

原始含义： The original sense in the 14th century referred to the state or quality of being active or the power of doing something.

Indo-European (Latin branch)

文化背景

No major sensitivities, but be aware that 'criminal activity' is a serious accusation.

Commonly used in small talk: 'Do you have any activities planned for the weekend?'

The 'Activity Feed' on Facebook and other social media platforms. The 'Paranormal Activity' movie franchise. The 'Activity' board game (popular in Europe).

在生活中练习

真实语境

School

classroom activity
extracurricular activities
learning activity
group activity

Health

physical activity
daily activity level
moderate activity
vigorous activity

Business

economic activity
commercial activity
market activity
trading activity

Travel

leisure activities
outdoor activities
activity center
tourist activity

Science

volcanic activity
brain activity
solar activity
seismic activity

对话开场白

"What is your favorite weekend activity when the weather is nice?"

"Do you prefer physical activity or mental activity in your free time?"

"What kind of activities did you enjoy doing when you were a child?"

"Is your workplace usually a hive of activity or is it quite calm?"

"What is one new activity you would like to try this year?"

日记主题

Describe a typical day of activity for you from morning until night.

Write about a group activity that helped you make new friends.

How does physical activity change your mood when you are feeling stressed?

If you could create a new extracurricular activity for a school, what would it be?

Reflect on a time when you were in a place that was a hive of activity.

常见问题

10 个问题

It is both! Use it as a countable noun when referring to specific tasks or events (e.g., 'We did three activities'). Use it as an uncountable noun when referring to the general state of being busy or moving (e.g., 'There was much activity in the room').

Exercise is a specific type of physical activity done to improve health or strength. Activity is a much broader term that includes everything from playing chess to cooking or walking to the store.

Yes, this is a very common and correct way to use the word, especially in educational or recreational contexts.

It is an idiom that describes a place where many people are working very hard and moving around quickly, just like bees in a beehive.

The plural is 'activities'. You change the 'y' to an 'i' and add 'es'.

These are activities that students do at school that are not part of the regular course of study, such as sports, music, or clubs.

It refers to actions that seem unusual, strange, or potentially illegal, often used by police or security.

Yes, you can talk about 'volcanic activity', 'solar activity', or 'seismic activity' (earthquakes).

It is a neutral word. It can be used in very informal settings (like talking about a party) or very formal settings (like a scientific report).

The most direct opposite is 'inactivity'. Other opposites include 'idleness', 'rest', or 'stagnation'.

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