active

active
adjective

(of a person) engaging or ready to engage in physically energetic pursuits
（人）积极（参加体能活动）的
I needed to change my lifestyle and become more active.
我需要改变我的生活方式动得更多些。
■moving or tending to move about vigorously or frequently
活跃的，积极的
active fish need a larger tank.
活跃的鱼儿需要大一些的鱼缸。
■characterized by energetic activity
有活力的，积极活跃的
they enjoyed an active social life.
他们过着活跃丰富的社交生活。
an active outdoors holiday.
充满活力的户外假日。
■(of a person's mind or imagination) alert and lively
（人的头脑、想像力）敏锐的，活跃的
■doing things for an organization, cause, or campaign, rather than simply giving it one's support
积极参与的
she was an active member of the society.
她是协会的积极成员。
he had never been very active in the affairs of the Institute.
他向来对学院的事情不太积极。
■(of a person) participating or engaged in a particular sphere or activity
（人）参与某种范围（或活动）的
sexually active teenagers.
两性关系活跃的青少年们。
■[predic.](of a person or animal) pursuing their usual occupation or activity, typically at a particular place or time
（人，动物）活动的（尤指在特定地点或时间进行的）
tigers are active mainly at night.
老虎主要在夜间活动。
working; operative
工作的，运转的
the old watermill was active until 1960.
直到1960年这座老水磨还在运转。
■(of a bank account) in continuous use
（银行账户）交易频繁的，连续使用的
■(of an electric circuit) capable of modifying its state or characteristics automatically in response to input or feedback
（电路）主动感应的
■(of a volcano) that is erupting or has erupted in historical times
（火山）活跃的，活的
■(of a disease) in which the symptoms are manifest; not in remission or latent
（疾病）症状显性的；非缓解的，非潜伏的
active colitis.
活动性（或显性）结肠炎。
■having a chemical or biological effect on something
活性的，有化学（或生物）作用的
active ingredients.
活性成分。
(Grammar)denoting a voice of verbs in which the subject is typically the person or thing performing the action and which can take a direct object (e.g. she loved him as opposed tohe was loved)
(语法)主动语态（如 she loved him 与 he was loved 对照）. Passive 的反义词

noun

(Grammar)an active form of a verb
(语法)动词主动态
■(the active)the active voice
主动语态

派生
actively
adverb
语源

Middle English (in the sense 'preferring action to contemplation'): from Latin activus, from act- 'done', from the verb agere

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