active
音标发音
- 英式音标 [ˈæk.tɪv]
- 美式音标 [ˈæk.tɪv]
- 国际音标 ['æktiv]
- 英式发音
- 美式发音
基本解释
- adj. 积极的;活跃的;主动的;有效的;现役的
- n. 主动语态;积极分子
词源解说
- 14世纪中期进入英语,直接源自拉丁语的activus,意为从事世间的活动。
词根记忆
- act(行动) + ive(形容词后缀)→积极的
同根派生
- adj性质的同根词
- activated:活性化的;活泼的。
- adv性质的同根词
- actively:积极地;活跃地。
- n性质的同根词
- action:行动;活动;功能;战斗;情节。
- activity:活动;行动;活跃。
- act:行为,行动;法令,法案;(戏剧,歌剧的)一幕,段;装腔作势。
- actor:男演员;行动者;作用物。
- activation:[电子][物]激活;活化作用。
- activist:积极分子;激进主义分子。
- activism:行动主义;激进主义。
- activator:催化剂;[助剂]活化剂;[助剂]激活剂;触媒剂。
- activeness:主观能动性;活动积极性。
- activewear:运动服(等于activ ear)。
- v性质的同根词
- activated:使激活;使活动起来;有生气(activate的过去分词)。
- vi性质的同根词
- act:行动;扮演,充当;表现,举止;假装,演戏;起作用,见效。
- activate:激活;有活力。
- vt性质的同根词
- act:扮演;装作,举动像。
- activate:刺激;使活动;使活泼;使产生放射性。
用法辨析
- active是由act派生的形容词,基本意思是“活泼的,活跃的,积极的”,可指人(尤指小孩或年轻人)活泼,活跃,也可指人积极地从事某项活动,引申可表示人的头脑灵活,做事情有效率,还可以表示“在活动中的”“在起作用的”“现行的”“现役的”。
- active在语法术语中可表示动词的主动形式。
- active在句中主要用作定语,可修饰的范围很广,可以是人,也可以是物; 可以是具体名词,也可以是抽象名词。active在句中还可用作表语,偶尔也可用作宾语补足语。
- active作“起作用的”“主动的”解时,无比较级和最高级; 作其他意思解时,比较级和最高级是more active和most active。
adj. (形容词)
英汉例句
- She is an active girl.
她是一位活泼的姑娘。 - Their children are well-fed, active and healthy.
他们的孩子都喂养得很好,活泼而又健康。 - I heard that he was active about some business .
我听说他对某一生意非常热心。 - He has been active as a television writer and journalist.
作为一个电视撰稿人和记者,他一直很活跃。 - He is ardently active for the object.
他执著地追求那一目标。 - I am as active as you in physical training.
我和你一样积极参加体育锻炼。 - Seeing him so active was a great encouragement.
看到他如此活跃真是一件令人鼓舞的事情。
用作形容词 (adj.)
用作定语: ~+ n.
用作表语: S+be+~
S+be+~+about n./pron.
S+be+~+as n./pron.
S+be+~+for n./pron.
S+be+~+in n./pron./v -ing
用作宾语补足语: S+V+O+~
词组短语
- active bank account 尚有存款的银行户头
- active child 活泼的孩子
- active club member 活跃的俱乐部成员
- active coal mine 开采中的煤矿
- active communications satellite 尚能传播信号的通讯卫星
用作形容词 (adj.)
~+名词
英英字典
- (BUSY) busy with a particular activity
- (INVOLVED) involved in a particular activity
- (VOLCANO) An active volcano is one that might erupt (= throw out hot liquid rock or other matter) at any time.
- (GRAMMAR) An active verb or sentence is one in which the subject is the person or thing that performs the stated action.
- → the active voice
- Someone who is active moves around a lot or does a lot of things.
- If you have an active mind or imagination, you are always thinking of new things.
- If someone is active in an organization, cause, or campaign, they do things for it rather than just giving it their support.
- actively
- 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.
- actively
- 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.
- An active volcano has erupted recently or is expected to erupt soon.
- An active substance has a chemical or biological effect on things.
- 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. Compare .
剑桥英英字典
柯林斯英英字典
专业释义
- 有源
Those outside exciters create the active fields in space.
模型将外界刺激转化为空间中的有源场。 - 现用
- 有效
- 主动
- 活动性
Conclusion The serum PCT level was not a reliable indicator in the diagnosis of active pulmonary tuberculosis.
结论血清PCT水平不是诊断活动性肺结核的可靠指标。电子、通信与自动控制技术
- 有用的
- 活性的
- 活泼的
- 活化的
- 能动
The judge’s active role can be deeply analyzed from three aspects.
法官的能动性可以从三个层面进行深入分析。 - 有为
Before the 20th century,stressing the "limited" of the government authority has been the main melody in Western constitutional government theory research and the practice-exploration,but the limited government's goal should be pursuing the balance between the "limited" and "active".
在20世纪以前,强调政府权力“有限”一直是西方宪政理论研究和实践探索的主旋律,但是有限政府的目标应该是追求“有限”与“有为”二者的平衡。语言学
- 动态
Vocabulary is one of the three elements of languages. It is a dynamic and open system,and the most sensitive and active element in languages.
词汇是语言的三大要素之一,是一个动态的开发系统,是语言中最敏感、最活跃的因素。生物学
- 活性
Bamboo leaf flavone is an important active component of bamboo leaves,which has various medical efficacy.
竹叶 黄酮是 竹叶的重要活性成分,具有多种医疗功效。 - 活泼的
- 主动的
- (方形舞中的舞伴)往队形下方移动的
- 仍有希望赢得全局的
- 质子放射性
- 放射性的
- 现役的
- 有功的
- 获利的;生息的;交易频繁的
- 赋活用
- 主动的