activity

A1 CET-4 Oxf 3000 初中 FREQ #3377 ★★★★☆

n. 活动, 行动, 活跃, 活力 [计] 活动

发音

UK /ækˈtɪv.ɪ.ti/
US /ækˈtɪv.ə.ti/
AU /ækˈtɪv.ə.ti/
AU /ækˈtɪv.ə.ɾi/

词形变化

activities 复数 activities

别名

a.

教材释义与例句

名词

活动；行动；活跃

things that people do, especially in order to achieve a particular aim

Everyone is free to engage in peaceful political activity.

每个人都可以自由参加和平的政治活动。

fund-raising activities

筹款活动

Regular physical activity helps to control your weight.

定期参加体育活动有助于控制体重。

释义与例句

n. A1 Oxf 3000
  1. 1.

    The state or quality of being active; activeness.

    活动

    不可数 可数

    Pit row was abuzz with activity.

  2. 2.

    Something done as an action or a movement.

    动作

    可数 不可数

    The activity for the morning was a walk to the store.

  3. 3.

    Something done for pleasure or entertainment, especially one involving movement or an excursion.

    可数 不可数

    An increasing number of sports activities are on offer at the university.

    Quilting can be an enjoyable activity.

  4. 4.

    The lexical aspect (aktionsart) of verbs or predicates that change over time and have no natural end point.

    可数 不可数 语言学
  5. 5.

    The number of radioactive decays per unit time. Unit for it: becquerel or curie

    可数 不可数 物理
  6. 6.

    The property of substances to react with other substances

    可数 不可数

词汇关系

名词

同义词 4

action activeness bodily function bodily process

反义词 1

inactivity

上位词 7

state act process deed capacity capability trait

下位词 10

help work last try job use play turn business music

相关短语

activity trap activity traps activity stream activity streams activity book activity books activity theory activity tracker activity trackers activity group psychotherapy role activity diagram role activity diagrams optical activity [化] 旋光性; 旋光度 [医] 旋光度, 旋光性 extravehicular activity 舱外活动 catalytic activity [化] 催化活性

词源

Etymology tree Proto-Indo-European *h₂eǵ- Proto-Indo-European *-eti Proto-Indo-European *h₂éǵeti Proto-Italic *agō Latin agō Proto-Indo-European *-wósder. Latin -īvus ▲ Ancient Greek ἐνεργητῐκός (energētĭkós)sl. Latin āctīvus Proto-Indo-European *-teh₂ Proto-Indo-European *-ts Proto-Indo-European *-teh₂ts Proto-Italic *-tāts Latin -tās Latin āctīvitāsder. Middle French activitébor. English activity From Middle French activité, from Latin activitas. Equivalent to active + -ity.

来源：wiktionary