active
adjective uk/ˈæk.tɪv/ us/ˈæk.tɪv/
(BUSY)
B1 忙于…的
busy with a particular activity
physically/mentally active 经常运动的／思想活跃的
You have to try to keep active as you grow older. 年岁大了，应该尽量保持身心活跃。
- More examples
- It's good for old people to stay active if they can.
- I had an active social life when I was at college.
- At 84 he's still quite active, although he walks with the aid of a stick.
- It was a very active day on the stock market today.
(INVOLVED)
B2 参与…的
involved in a particular activity
Enemy forces remain active in the mountainous areas around the city. 敌军在城市周围的山区仍然活动猖獗。
She's very active in (= involved in) local politics. 她积极参与当地的政治活动。
Both of his parents were very politically active. 他的父母在政治上都很积极。
It is important to educate children before they become sexually active. 在孩子们进入性活跃期之前对他们进行有关教育很重要。
He takes a more active role in the team nowadays. 现在他在队里发挥着更为积极的作用。
She's an active member of her trade union (= not only belongs to it, but does work to help it). 她是工会中的活跃分子。
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- They both play an active part in their local church.
(VOLCANO)
C1 （火山）活的，处于活跃期的
An active volcano is one that might erupt (= throw out hot liquid rock or other matter) at any time.
(GRAMMAR)
B1 language 主动语态的
An active verb or sentence is one in which the subject is the person or thing that performs the stated action.
"Catrin told me" is an active sentence, and "I was told by Catrin" is passive. Catrin told me 是主动句，而 I was told by Catrin 是被动句。
Compare: passive adjective
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- When you use active verbs in your written work, rather than passive ones, it sounds clearer and more direct.
- Active sentences, such as 'The dog chased the cat', are more concise than passive sentences like 'The cat was chased by the dog'.
- Speech-writers should use active verbs for a strong, direct style.
- The sentence 'Oranges contain Vitamin C' uses an active verb.
- In the sentence 'A thief stole my wallet', the verb is active and in the past simple tense.
active
noun [ S ] uk/ˈæk.tɪv/ us/ˈæk.tɪv/
the active 主动语态（同 the active voice）
→ the active voice