activity

/ækˈtɪvəti/ n.
标准词条 CET-4 词根 act
一句话记住

活动；活跃状态

释义与例句

n. 活动；活跃状态
something that people do, especially for interest or a purpose, or a situation in which things are happening
  1. The centre offers outdoor activities for children of all ages.
    该中心为各年龄段儿童提供户外活动。
  2. Physical activity is an important part of a healthy lifestyle.
    身体活动是健康生活方式的重要组成部分。
展开其余 1 条例句
  1. There was a sudden burst of activity in the usually quiet office.
    平时安静的办公室里突然忙碌起来。

词源与构词

act 词根 · to do，做
记忆钩子 activity 表“活动项目”时可数，复数是 activities；表“身体活动、活跃状态”时通常不可数。

词族与关联词

同根词（同一个词根长出来的词）
  • act 行为；行动
    Helping the lost child was a simple act of kindness. 帮助那个迷路的孩子是一个简单的善举。
  • action 行动；措施
    The government promised action to reduce air pollution. 政府承诺采取行动减少空气污染。
  • active 积极的；活跃的；起作用的
    Regular exercise helps older people stay active. 经常锻炼有助于老年人保持活力。
  • actor 演员
    The actor spent months learning the accent for his role. 这位演员为了角色花了数月学习那种口音。
  • actress 女演员
    The actress prepared for the role by interviewing real nurses. 这位女演员通过采访真正的护士来为角色做准备。
  • actual 实际的；真实的
    The actual cost of the repairs was much higher than the estimate. 实际维修费用比估价高得多。
  • actually 实际上；其实；竟然
    The task looks difficult, but it is actually quite simple. 这项任务看起来很难，但其实相当简单。
  • exact 精确的；确切的；完全相同的
    The exact cause of the failure has not yet been established. 故障的确切原因尚未确定。
  • interact 互动；交流；相互作用
    Students interact with each other through online discussions. 学生通过在线讨论相互交流。
  • react 反应；回应
    How did she react to the news? 她对这个消息有什么反应？
词族（同一词根派生出的不同词性或形式）
  • active 积极的；活跃的
    activity 对应的形容词，可描述人、生活方式或正在运行的系统。
  • act 行动；行为
    表示做某事或一个具体行为，是 activity 的核心相关词。
同义词
  • event 活动；事件
    activity 可泛指各种活动或活跃状态；event 通常指在特定时间、地点举行的一次有组织活动或发生的事件。
    The school concert is the biggest social event of the year. 学校音乐会是本年度最大的社交活动。
常见搭配
  • outdoor activities 户外活动
    Hiking and cycling are popular outdoor activities in this region. 徒步和骑行是这个地区很受欢迎的户外活动。
  • physical activity 身体活动；体力活动
    Doctors recommend at least thirty minutes of physical activity each day. 医生建议每天至少进行三十分钟身体活动。
  • take part in an activity 参加一项活动
    Every student is encouraged to take part in a community activity. 学校鼓励每名学生参加一项社区活动。