active

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active /ˈæktɪv/ adjective

active

/ˈæktɪv/

adjective

Learner's definition of ACTIVE

[more active; most active] : doing things that require physical movement and energy活动的；活跃的

We stay/keep active during the cold winter months by skiing and ice skating.在寒冬时节，我们通过滑雪和溜冰来保持活力。
Despite her age, she has been able to maintain her active [=busy] lifestyle.虽然年事已高，她仍然坚持过以前那样的忙碌生活。
Cats are most active [=energetic, lively] at night.猫在夜间最活跃。

[more active; most active]

a : involved in the activities of a group or organization积极的；参与的

We are active members of our church.我们是本地教会的积极分子
While many give money to the organization, only a few are active participants.虽然很多人给这家机构捐钱但是积极参加活动的并不多。

: participating in an action or activity参与的

She was politically active as a volunteer for her state representative.她作为自己州议会众议员选举的志愿者，在政治上很活跃。

— often + in

b : involving action or participation积极的；主动的

They take an active interest in their children's education.他们非常关心孩子的教育。
He has taken/played a more active role in the production of this album.他在这张专辑的制作过程中发挥了更大的作用。

: marked by regular action or use活动的；常用的

the bank's active and inactive accounts银行的交易频繁账户和呆滞账户
He became sexually active [=he began having sex] at the age of 21.他在21岁就开始有性生活了。

of a volcano : likely to explode violently or produce fire and hot liquid rock : capable of erupting（火山）活的，可喷发的

Most volcanoes on this island are still active but a few are inactive.这座岛上的大多数火山仍然是活火山，少数是休眠火山。

of a disease : becoming worse or continuing to have bad effects（疾病）恶化的，持续发展的

: having a chemical effect especially on the body有效的；活性的

a US : involving service in the military as a main job服役的

After two years of active duty [=two years of being a full-time member of the military] she entered the reserves.两年现役后，她转入了后备部队。
She was on active duty for two years.她服了两年的兵役。

b : involving fighting in a war as a member of the military参战的；作战的

He saw no active service [=he did not fight in any battles] during his time in the army.他在部队服役期间没有参加过任何战斗。
He was on active service in three separate wars.他参加过三场战争。
soldiers returning home from active service从战场上返家的士兵

grammar

a of a verb or voice : showing that the subject of a sentence is the one doing the action expressed by the verb（动词或语态）主动的

“Picked” in “I picked the apples” is an active verb because it shows that the subject “I” is the one who picked the apples.在句子I picked the apples中，picked是主动语态，因为它表明主语I是摘苹果的人。
“Hits” in “She hits the ball” is active, while “hit” in “The ball was hit” is passive.在句子She hits the ball中，hits是主动语态；而在句子The ball was hit中，hit是被动语态。

◊ The active voice is a way of writing or speaking that uses active verbs.主动语态是一种用主动动词写作或讲话的方式。

The sentence “The birds are singing” is written in the active voice.句子The birds are singing用的是主动语态。

— compare passive

b of a verb : expressing action rather than describing the state of something（动词）表动作的，表行为的

Words like “walk,” “sing,” and “eat” are active verbs.像walk sing和eat之类的词都是行为动词。
In the sentence “Look at this picture,” the verb “look” is active.在句子Look at this picture中，look是行为动词。

— actively

adverb