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effective

美 [ɪˈfektɪv]
英 [ɪ'fektɪv]
  • n.精兵;【军】现役兵额
  • adj.产生预期结果的;有效的;实际的;事实上的
  • 网络生效的;有效果的;效率
复数:effectives  
effective
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adj.
1.
产生预期结果的;有效的producing the result that is wanted or intended; producing a successful result
Long prison sentences can be a very effective deterrent for offenders.
判处长期监禁可对违法者起到强有力的威慑作用。
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。
drugs that are effective against cancer
治疗癌症的有效药物
I admire the effective use of colour in her paintings.
我很欣赏她绘画作品中的色彩效果。
2.
[obn]
实际的;事实上的in reality, although not officially intended
the effective, if not the actual, leader of the party
虽未居其位却实际上是党的领导人
He has now taken effective control of the country.
他目前已实际上控制了这个国家。
3.
生效的;起作用的coming into use
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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