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ADJ-GRADED
忙碌的；活跃的
Someone who is active moves around a lot or does a lot of things.
例句
Having an active youngster about the house can be quite wearing.
家里有个好动的小孩会是相当累人的。
...a long and active life.
漫长而忙碌的一生
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ADJ-GRADED
（思想等）活跃的
If you have an active mind or imagination, you are always thinking of new things.
例句
...the tragedy of an active mind trapped by failing physical health.
因为健康状况衰退而思维受阻的悲剧
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ADJ-GRADED
积极（参与）的
If someone is active in an organization, cause, or campaign, they do things for it rather than just giving it their support.
例句
...a chance for fathers to play a more active role in childcare...
让父亲们更积极地参与育婴的机会
I am an active member of the Conservative Party...
我是保守党的积极分子。
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ADJ
积极的；主动的
Active is used to emphasize that someone is taking action in order to achieve something, rather than just hoping for it or achieving it in an indirect way.
例句
Companies need to take active steps to increase exports.
各公司需要采取积极措施增加出口。
...active discouragement from teachers.
教师们的竭力阻挠
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ADJ
定期进行的;活动的
If you say that a person or animal is active in a particular place or at a particular time, you mean that they are performing their usual activities or performing a particular activity.
例句
Guerrilla groups are active in the province.
游击队在该省很活跃。
...animals which are active at night.
夜行动物
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ADJ
（火山）活的
An active volcano has erupted recently or is expected to erupt quite soon.
例句
...molten lava from an active volcano.
活火山喷出的熔岩
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ADJ
起化学(或生物)作用的;活性的;有效的
An active substance has a chemical or biological effect on things.
例句
The active ingredient in some of the mouthwashes was simply detergent.
某些漱口剂中的有效成分只不过是洗涤剂而已。
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N-SING
（语法中的）主动语态
In grammar, the active or the active voice means the forms of a verb which are used when the subject refers to a person or thing that does something. For example, in 'I saw her yesterday', the verb is in the active.