- Something that is active is characterized by movement and action. That action might be a random or temporary movement, such as someone who is active and exercises only now and then, or something continuous, like an active strain of a virus.
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- adj. 积极的；活跃的；有效的
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1. Although he's nearly 80, he is still very active.
尽管快 80 岁了，他还是十分活跃。
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2. They were both politically active.
他们两人在政治上都很积极。
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3. animals that are active only at night
仅在夜间活动的动物
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4. That child has a very active imagination.
那个小孩想像力十分丰富。
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5. What is the active ingredient in aspirin?
什么是阿司匹林中的有效成分？
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6. She was actively looking for a job.
她在积极找工作。
- active (adj.) mid-14c., "given to worldly activity" (opposed to contemplative or monastic), from Old French actif (12c.) and directly from Latin activus, from actus "a doing" (from PIE root *ag- "to drive, draw out or forth, move").
ac·tive ★ / ˈæktɪv ; NAmE ˈæktɪv / adjective , noun adjective ★ busy 忙碌 1 ★ always busy doing things, especially physical activities （尤指体力上）忙碌的，活跃的 ◆ Although he's nearly 80, he is still very active. 尽管快 80 岁了，他还是十分活跃。 OPP inactive taking part 参加 2 ★ involved in sth; making a determined effort and not leaving sth to happen by itself 积极的 ◆ They were both politically active. 他们两人在政治上都很积极。 ◆ active involvement/participation/support/resistance 积极参与╱参加╱支持╱抵抗 ◆ She takes an active partin school life. 她积极参加学校活动。 ◆ 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。 ◆ 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。 doing an activity 活动 3 ★ doing sth regularly; functioning 定期进行的；起作用的 ◆ sexually active teenagers 性欲旺盛的青少年 ◆ animals that are active only at night 仅在夜间活动的动物 ◆ The virus is still active in the blood. 这种病毒仍然在血液中起作用。 ◆ an active volcano (= likely to erupt) 活火山 OPP inactive ☞compare dormant lively 充满活力 4 lively and full of ideas 活跃的；（思想上）充满活力的 ◆ That child has a very active imagination. 那个小孩想像力十分丰富。 chemical 化学 5 having or causing a chemical effect 起化学作用的；有效的 ◆ What is the active ingredient in aspirin? 什么是阿司匹林中的有效成分？ OPP inactive grammar 语法 6 connected with a verb whose subject is the person or thing that performs the action 主动语态的 ◆ 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。 ☞compare passive adj.2 () ▶ ac·tive·ly ★ / ˈæktɪvli ; NAmE ˈæktɪvli / adverb ◆ Your proposal is being actively considered. 你的提议正得到认真考虑。 ◆ She was actively looking for a job. 她在积极找工作。 noun ( also ˌactive ˈvoice ) [singular ] the form of a verb in which the subject is the person or thing that performs the action 主动语态 ☞compare passive n. ac·tive / ˈæktɪv ; NAmE ˈæktɪv / ac·tive·ly / ˈæktɪvli ; NAmE ˈæktɪvli /
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