1
take part in (an) activity
She takes part in many school activities.
她参加许多学校活动。
活动；行为；行动
先理解核心含义，再看它在真实句子里的用法。
活动；行为；行动
something that you do; a specific action or behavior
She takes part in many school activities.
她参加许多学校活动。
活跃的状态或性质；积极性。
The state or quality of being active; activeness.
任何具体行为
any specific behavior
作为行动或运动所做的事情。
Something done as an action or a movement.
活跃状态
the state of being active
Regular physical activity is important for maintaining good health.
规律的体育活动对保持健康很重要。
AI contextual example
The school organized a fun activity for the students after class.
学校在课后为学生组织了一项有趣的活动。
AI contextual example
Reading stimulates mental activity and improves concentration.
阅读能刺激思维活动，提高注意力。
AI contextual example
they avoided all recreational activity
他们避免一切娱乐活动。
WordNet
She takes part in many school activities.
她参加许多学校活动。
此结构中activity为不可数名词。
Regular physical activity is important.
定期进行体力活动很重要。
We enjoyed various outdoor activities.
我们享受了各种户外活动。
The center offers a wide range of activities.
该中心提供各种活动。
Not this
I like to do outdoor activity.
Use this
I like to do outdoor activities.
activity 是可数名词，泛指活动时通常用复数形式或加不定冠词。
Not this
He took part in activity yesterday.
Use this
He took part in an activity yesterday.
可数名词单数前需加冠词 a/an 或 the，具体根据语境。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
体育活动
Doctors recommend at least 30 minutes of physical activity every day.
医生建议每天至少进行30分钟的体育活动。
户外活动
We enjoyed a variety of outdoor activities during our vacation.
度假期间我们享受了各种户外活动。
商业活动
The company's business activities have expanded to new markets.
公司的商业活动已扩展到新市场。
社交活动
She prefers quiet evenings at home to social activities.
比起社交活动，她更喜欢在家安静的夜晚。
休闲活动
Reading is my favorite leisure activity.
阅读是我最喜欢的休闲活动。
犯罪活动
The police are monitoring any suspicious criminal activity.
警方正在监视任何可疑的犯罪活动。
繁忙热闹的地方
The office was a hive of activity before the deadline.
办公室在截止日期前一片繁忙。
一阵活动/突然忙碌
After a burst of activity, things calmed down.
一阵忙碌之后，事情平静下来。
活动领域
He excelled in his chosen field of activity.
他在自己选择的领域表现出色。
Use activity naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
将 activity 拆解为 act（行动）和 ivity（名词后缀，表示性质），行动的性质即“活动”。
日常活动、休闲、学习或工作等场景
countable: specific events; uncountable: general state
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY.