effective
effective 英 [ɪˈfektɪv] 美 [ɪˈfɛktɪv]
adj. 有效的，起作用的；有影响力的
- If your email outlining a plan to reduce office paper waste resulted in a 20 percent reduction in paper use, that means your plan was effective: it did what you wanted it to do.
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- adj. 有效的，起作用的；有影响力的
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1. take effective measures to do sth
采取有效的措施去做某事
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2. drugs that are effective against cancer
治疗癌症的有效药物
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3. Aspirin is a simple but highly effective treatment.
阿司匹林药片治疗方法简便，效果却非常显著。
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4. He has now taken effective control of the country.
他目前已实际上控制了这个国家。
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5. The new speed limit on this road becomes effective from 1 June.
这条路的新限速规定自 6 月 1 日起生效。
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6. to check the effectiveness of the security system
检查安全系统的有效性
- effective (adj.) late 14c., "serving to effect the intended purpose," from Old French effectif, from Latin effectivus "productive, effective," from effect-, stem of efficere "work out, accomplish" (see effect (n.)). Of military forces, "fit for action or duty," from 1680s.
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