activity

noun

1. 活动；热闹状况；活跃
   a situation in which sth is happening or a lot of things are being done
   1. economic activity
      经济活动
   2. The streets were noisy and full of activity.
      街上熙熙攘攘，车水马龙。
   3. Muscles contract and relax during physical activity.
      身体活动时肌肉收缩放松。
2. （为兴趣、娱乐或达到一定目的而进行的）活动
   a thing that you do for interest or pleasure, or in order to achieve a particular aim
   1. leisure/outdoor/classroom activities
      休闲 / 户外 / 课堂活动
   2. The club provides a wide variety of activities including tennis, swimming and squash.
      这家俱乐部的活动丰富多彩，诸如网球、游泳、壁球等。
   3. illegal/criminal activities
      不法 / 犯罪活动

1. N-UNCOUNT 热闹状况;活跃
   Activity is a situation in which a lot of things are happening or being done.
   1. ...an extraordinary level of activity in the government bonds market.
      政府公债市场异常活跃
   2. ...the electrical activity of the brain.
      脑电波的活动
2. N-COUNT 活动
   An activity is something that you spend time doing.
   1. You can take part in activities from canoeing to bird watching.
      你可以参与从划独木舟到观鸟等各种活动。
3. N-PLURAL （团体为达到某种目的而采取的）活动，行动
   The activities of a group are the things that they do in order to achieve their aims.
   1. ...a jail term for terrorist activities...
      因参与恐怖活动而被判的刑期
   2. On April 29, the activities of the company were suspended on the orders of the Bank of England.
      4月29日，奉英国银行之命，该公司的各项活动被暂停。

1. Science, on Weber's account, is an essentially value-free activity.
   按照韦伯的说法，科学在本质上是一种价值无涉的活动。
2. You can take part in activities from canoeing to bird watching.
   你可以参与从划独木舟到观鸟等各种活动。
3. On April 29, the activities of the company were suspended on the orders of the Bank of England.
   4月29日，奉英国银行之命，该公司的各项活动被暂停。
4. Budding linguists can tune in to the activity cassettes in French, German, Spanish and Italian.
   崭露头角的语言学家们可以收听法语、德语、西班牙语和意大利语的活动磁带。
5. It is easier to cope with short bursts of activity than with prolonged exercise
   和长时间的锻炼相比，短期内加强活动更容易应付。
6. They are busy preparing for a hectic day's activity on Saturday
   他们正忙着准备周六一整天都安排满了的活动。
7. For thousands of years chasing down game was the main activity in which humans were involved.
   狩猎是数千年中人类从事的主要活动。
8. Docklands in its heyday was a major centre of industrial and commercial activity
   港区在其最繁荣的时期曾是主要的工商业活动中心。
9. The patient's brain activity is monitored via electrodes taped to the skull.
   病人的大脑活动通过固定在其头骨上的电极进行监控。
10. Physical activity is an important factor in maintaining fitness.
    进行体育活动是保持身体健康的一个重要因素。
11. This frenetic activity is the sign of a worried man.
    这种发了疯似的行为活动是一个人极度焦虑的表现。
12. The index is the government's chief gauge of future economic activity.
    这一指数是政府判断未来经济活动的主要依据。
13. Any form of physical activity will invalidate the results
    任何形式的物理活动都会证明这些结果是错误的。
14. Hunting is a lawful activity.
    狩猎是合法活动。
15. We believe that this is a general model of managerial activity
    我们认为这可以作为管理活动的普遍范例。
16. There are signs of paramilitary activity supported from abroad.
    有迹象表明，非法军事组织的活动得到了国外势力的支持。
17. Physical activity promotes good health
    体育活动促进身体健康。
18. The test records the electrical activity of the brain
    试验记录下了脑电活动。
19. Mr Dobson promised to widen the organisation's scope of activity.
    多布森先生许诺拓宽该组织的活动范围。
20. The latest seismic activity was also felt in northern Kenya.
    肯尼亚北部也感觉到了最近的地震活动。
21. Young children have a limited attention span and can't concentrate on one activity for very long.
    小孩子的注意力持续时间十分有限，不能长时间地专注于一个活动。
22. Volcanic activity has created thermal springs and boiling mud pools.
    火山活动产生了温泉和沸腾的泥浆池。
23. She has a low threshold of boredom and needs the constant stimulation of physical activity
    她容易厌倦，需要时常进行活动来刺激一下。
24. If the weather is wet or cold choose an indoor activity
    如果碰上下雨天或是严寒天气，就选择一项室内活动。
25. Working at low intensity means that you can continue to perform the activity for a long while.
    低强度意味着你可以持续长时间从事这一活动。
26. In half an hour's whirl of activity she does it all
    经过半个小时的忙碌，她全都做完了。
27. Some drugs can cause the inhibition of normal bodily activity.
    有些药剂会对正常的身体功能产生抑制作用。
28. Agitated activity by certain animals may be a sign of an impending earthquake.
    某些动物烦躁不安可能是地震临震前的预兆。

noun

1. any specific behavior
   1. they avoided all recreational activity

2. the trait of being active
   1. the level of activity declines with age

   Synonym:    activeness

3. an organic process that takes place in the body
   1. respiratory activity

   Synonym:    bodily processbody processbodily function

4. a process existing in or produced by nature (rather than by the intent of human beings)
   1. the action of natural forces
   2. volcanic activity

   Synonym:    natural processnatural actionaction

5. the state of being active
   1. his sphere of activity
   2. he is out of action

   Synonym:    actionactiveness

6. (chemistry) the capacity of a substance to take part in a chemical reaction
   1. catalytic activity