take part in (an) activity
She takes part in many school activities.
她参加许多学校活动。
娱乐活动；消遣活动；活跃；活动状态；生理活动；机体活动；反应活性；化学活性；放射性活度
something that you do; a specific action or behavior
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
为娱乐或消遣而做的事情,尤指涉及运动或远足的活动。
Something done for pleasure or entertainment, especially one involving movement or an excursion.
体内发生的有机过程
an organic process that takes place in the body
动词或谓词的体貌特征,随时间变化且无自然终点。
The lexical aspect (aktionsart) of verbs or predicates that change over time and have no natural end point.
单位时间内放射性衰变的次数。单位:贝克勒尔或居里。
The number of radioactive decays per unit time. Unit for it: becquerel or curie
物质与其他物质反应的性质。
The property of substances to react with other substances
Regular physical activity is important for maintaining good health.
规律的体育活动对保持健康很重要。
用法提示：activity 作名词，表示“体育活动”，指身体活动。
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。
用法提示：activity 作名词，表示“活动”，指有组织的社交活动。
AI contextual example
Reading stimulates mental activity and improves concentration.
阅读能刺激思维活动，提高注意力。
用法提示：activity 作名词，表示“活动”，指思维活动。
AI contextual example
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。
grammar · medium
易错句子I like to do outdoor activity.
正确表达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。
grammar · medium
易错句子He took part in activity yesterday.
正确表达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。
指没有活动或动作的状态，对应 activity「活动/活跃」的含义。
指不主动参与的状态，对应 activity「积极行动」的含义，但 passivity 侧重性格或态度上的被动。
指停止活动、恢复精力的状态，与 activity「忙碌活动」相对，但 rest 通常为褒义。
activity 指一系列持续的行为或活动，侧重过程；action 指具体的一次行动或动作，侧重结果。
activity 强调有目的的持续活动；act 强调单一的、已完成的行为，常指有意为之的举动。
activity 泛指任何活动，范围广；task 特指需要努力完成的、有明确目标的任务。
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。
与活动相关，常指身体活动或运动
活动的一种，特指休闲时的兴趣活动
指需要完成的具体活动
指有组织的活动或发生的事情
一种娱乐活动，常涉及规则和竞争
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。
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY.