activity
n. 活动；活跃
名词复数: activities
activity 义务阶段1500 全国卷频次:14
/ækˈtɪvɪtɪ/
n. activities 19
活动
高考真题原句选：
Reading can be a social activity.
There are usually no planned activities like games at a housewarming party.
The magazine covers the choices people make about their homes, their clothes and their free time activities.
二、习惯用语
economic activity 经济活动
catalytic activity 催化活性
physical activity 身体活动，体育活动；体力活动
biological activity 生物活性
enzyme activity 酶活力
business activity 商业活动，经济活动；业务活动
social activity 社会行动
brain activity 大脑活动
sexual activity 性活动；性行为
seismic activity 地震活动；地震活动性
antimicrobial activity 抗菌活性；抗菌能力；抗微生物活性
volcanic activity 火山活动；火山活动性
electrical activity 电活动，脑电活动
enzymatic activity 酶活性；酶活力
practical activity 实践活动
solar activity 太阳活动；太阳活动性
water activity 水分活度；水分活性
marketing activity 销售活动
outdoor activity 户外活动，室外活动
activity level 活动级；活动程度
noun
(pl. -ies)
1. [U] a situation in which sth is happening or a lot of things are being done
活动；热闹状况；活跃:
economic activity
经济活动
The streets were noisy and full of activity.
街上熙熙攘攘,车水马龙。
Muscles contract and relax during physical activity.
身体活动时肌肉收缩放松。
⇨ compare inactivity at inactive
2. [C, usually pl.] a thing that you do for interest or pleasure, or in order to achieve a particular aim
(为兴趣、娱乐或达到一定目的而进行的)活动:
leisure / outdoor / classroom activities
休闲/户外/课堂活动
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。
illegal / criminal activities
不法/犯罪活动
1 [countable, uncountable] things that people do, especially in order to achieve a particular aim 〔尤指为达到一定目的而进行的〕活动
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。
2 [countable usually plural] something that you do because you enjoy it 〔出于爱好的〕活动
leisure activities
休闲活动
outdoor activities such as hiking or climbing
如远足、爬山等户外活动
3 [uncountable] a situation in which a lot of things are happening or a lot of things are being done 活跃，热闹；活动
The office was suddenly full of frantic activity.
办公室里一下子紧张忙碌起来。
The farm was always a hive of activity at this time of year.
每年这个时候农场里都是一派繁忙景象。
1.N-UNCOUNT 不可数名词热闹状况;活跃 Activity is a situation in which a lot of things are happening or being done.
…an extraordinary level of activity in the government bonds market.
政府公债市场异常活跃
…the electrical activity of the brain.
脑电波的活动
2.N-COUNT 可数名词活动 An activity is something that you spend time doing.
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 复数名词（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.
【搭配模式】：with supp
…a jail term for terrorist activities…
因参与恐怖活动而被判的刑期
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。
plural activities
1
[noncount] : the state of being active热闹状况；活跃的气氛
The holidays always set off a lot of activity in our home.
我们家假日里总是很热闹。
: behavior or actions of a particular kind活动；行动；行为
the sexual activity of married couples
已婚夫妇的性行为
The police are now monitoring criminal/gang/drug activity in the area.
警方正在监视这一地区的犯罪/帮派/毒品活动。
There has been an increase in the city’s (level of) economic activity.
这一城市的经济活动水平已有所提高。
She gets at least 30 minutes of physical activity every day.
她每天至少进行30分钟的体育活动
The instruments are used to detect volcanic activity on the island.
这些仪器是用来探测岛上火山活动情况的。
2
[count] : something that is done as work or for a particular purpose活动；工作— usually plural通常用复数
Grandma needs help with her everyday/daily activities.
奶奶的日常起居需要有人照料。
business activities
商务活动
political activities
政治活动
They were accused of financing the group’s illegal activities.
他们被控向该组织的非法活动提供资金。
3
[count] : something that is done for pleasure and that usually involves a group of people消遣活动；集体娱乐活动
We planned an activity for the children.
我们给孩子们安排了一项娱乐活动。
— usually plural通常用复数
The camp offers hiking, swimming, and other recreational activities.
露营包括了徒步旅行、游泳以及其他娱乐活动。
social activities
社交活动
