active

adj.

忙碌 busy

1. （尤指体力上）忙碌的，活跃的
   always busy doing things, especially physical activities
   1. Although he's nearly 80, he is still very active.
      尽管快80岁了，他还是十分活跃。

参加 taking part

2. 积极的
   involved in sth; making a determined effort and not leaving sth to happen by itself
   1. They were both politically active.
      他们两人在政治上都很积极。
   2. active involvement/participation/support/resistance
      积极参与 / 参加 / 支持 / 抵抗
   3. She takes an active part in school life.
      她积极参加学校活动。
   4. The parents were active in campaigning against cuts to the education budget.
      学生家长积极参加反对削减教育预算的活动。
   5. They took active steps to prevent the spread of the disease.
      他们采取积极措施，防止疾病蔓延。

活动 doing an activity

3. 定期进行的；起作用的
   doing sth regularly; functioning
   1. sexually active teenagers
      性欲旺盛的青少年
   2. animals that are active only at night
      仅在夜间活动的动物
   3. The virus is still active in the blood.
      这种病毒仍然在血液中起作用。
   4. an active volcano (= likely to erupt )
      活火山

充满活力 lively

4. 活跃的；（思想上）充满活力的
   lively and full of ideas
   1. That child has a very active imagination.
      那个小孩想象力十分丰富。

化学 chemical

5. 起化学作用的；有效的
   having or causing a chemical effect
   1. What is the active ingredient in aspirin?
      什么是阿司匹林中的有效成分？

语法 grammar

6. 主动语态的
   connected with a verb whose subject is the person or thing that performs the action
   1. In ‘He was driving the car’, the verb is active.
      在He was driving the car一句中，动词是主动语态。

noun

1. 主动语态
   the form of a verb in which the subject is the person or thing that performs the action

1. ADJ-GRADED 忙碌的；活跃的
   Someone who is active moves around a lot or does a lot of things.
   1. 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。
   2. ...a long and active life.
      漫长而忙碌的一生
2. ADJ-GRADED （思想等）活跃的
   If you have an active mind or imagination, you are always thinking of new things.
   1. ...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
3. 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.
   1. ...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
   2. I am an active member of the Conservative Party...
      我是保守党的积极分子。
   3. He is active on Tyler's behalf.
      他为泰勒积极奔忙。
4. 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.
   1. Companies need to take active steps to increase exports.
      各公司需要采取积极措施增加出口。
   2. ...active discouragement from teachers.
      教师们的竭力阻挠
5. 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.
   1. Guerrilla groups are active in the province.
      游击队在该省很活跃。
   2. ...animals which are active at night.
      夜行动物
   3. ...men who are sexually active.
      性欲旺盛的男人们
6. ADJ （火山）活的
   An active volcano has erupted recently or is expected to erupt quite soon.
   1. ...molten lava from an active volcano.
      活火山喷出的熔岩
7. 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.
   1. 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。
8. （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.

1. 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。
2. I am an active member of the Conservative Party
   我是保守党的积极分子。
3. He is active on Tyler's behalf.
   他为泰勒积极奔忙。
4. Companies need to take active steps to increase exports.
   各公司需要采取积极措施增加出口。
5. Guerrilla groups are active in the province.
   游击队在该省很活跃。
6. 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。
7. In April 1944 he was killed on active service
   1944年4月他在战时服役中阵亡。
8. The colonel saw active service in Borneo and was awarded the General Service Medal.
   战争期间上校在婆罗洲服役并被授予一般服役奖章。
9. In many societies young men regard themselves as highly active, the agents of change, shapers of the world.
   在许多社会中，年轻人将自己看成是高度活跃的分子，是变革的推动者和世界的塑造者。
10. Anaerobic respiration occurs only in particularly active tissues such as muscles during severe exercise.
    厌氧呼吸只有在处于剧烈运动状态的肌肉等特别活跃的组织中才会发生。
11. By the time I get home, I'm too tired to do anything active
    我到家时累得无法动弹。
12. Caffeine is the active constituent of drinks such as tea and coffee.
    咖啡因是茶、咖啡之类饮品中的活性成分。
13. An active and expansive market economy is a necessary condition for progress.
    积极扩张的市场经济是发展的必要条件。
14. Learning has got to be active and experiential.
    学习必须积极，而且要汲取经验。
15. The birds were active, whirring and fluttering among the trees.
    鸟儿们很活跃，在树林中呼呼地飞来飞去。
16. He was very active in Freemasonry.
    他是共济会中非常活跃的分子。
17. A very active cold front brought dramatic weather changes to Kansas on Wednesday.
    一股强冷空气前锋周三使堪萨斯的天气发生了剧变。
18. He is increasingly active in harrying the government in late-night debates.
    他越来越活跃，在深夜辩论中不断攻击政府。
19. The Church and the laity were increasingly active in charity work
    教会与俗众越来越积极参与慈善工作。
20. He was to remain active in the association, latterly as vice president, for the rest of his life
    他此后一生都活跃于协会中，后来还当上了副会长。
21. His daughter was very active and noisy in the mornings.
    他的女儿一到上午就很好动，吵吵闹闹的。
22. You are expected to be an active participant.
    你应该成为积极的参与者。
23. We have a very active sex life.
    我们的性生活非常活跃。
24. The active suspension system gives the car a very smooth ride.
    这个主动悬架系统使汽车行驶起来非常平稳。
25. Etna is Europe's most active volcano.
    埃特纳山是欧洲最活跃的火山。
26. She has taken an active part in all past contests.
    她积极参加历次比赛。
27. Peace and stability in the world need the active involvement of China.
    世界和平和稳定需有中国的积极参与。
28. A moderate increase in both investment and consumption will play an active role in stimulating the market.
    适度地增加投资和提高消费水平对启动市场将起积极作用。
29. The scouts are active under the enemy's very noses.
    侦察兵就在敌人眼皮底下活动。

  busy active engaged【导航词义：忙碌的】

  busy adj. 忙碌的，忙的

〔辨析〕形容某人要做的事情多或者某个地方活动多、很热闹。

  active adj. 忙碌的

〔辨析〕尤指人好活动的。

  engaged adj. 〈正式〉忙的

〔辨析〕指忙于做某事（尤指公务）而脱不开身的。

  energetic active animated dynamic vigorous【导航词义：活跃的】

  energetic adj. 精力充沛的，积极的

〔辨析〕指精力旺盛、充满活力的。

  active adj. 积极的，活跃的

〔辨析〕指非常活跃的或积极参与某活动的。

  animated adj. 活跃的，生气勃勃的

〔辨析〕指充满兴趣和精力的。

  dynamic adj. 〈褒〉有活力的，思想活跃的

〔辨析〕指充满活力、富有创新精神的。

  vigorous adj. 积极的；精力旺盛的

〔辨析〕指表现积极或身体强健的。