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词汇 effective
释义 effective
KK:[ɪ`fєktɪv] DJ:[i`fektiv]
adj.
1. 有效的[(+against/in)][+to-v]
Window screens are effective in keeping out mosquitoes.
纱窗能有效地挡住蚊子。
2. (法律等)生效的, 起作用的[Z]
A bill passed by congress becomes effective as soon as the President signs it.
国会通过的法案一经总统签署立即生效。
3. 给人深刻印象的, 有力的
That's rather an effective use of color.
那样使用颜色效果甚佳。
4. 实际的, 事实上的[Z]
Although there is a parliament, the army is in effective control of the country.
虽然有议会存在, 但军队实际上控制着这个国家。
5. 有战斗力的[Z]
n.
1. 实际可作战的部队(或士兵)[P]
形变: more effective; most effective

名复: effectives

同义:
adj.有效的
effectual
efficacious
efficient
productive
successful
adj.生效的, 灵验的
useful
serviceable
operative
practical
valid
functional
in effect
adj.有力的, 印象深刻的
striking
impressive
telling
forcible
powerful
potent

同义参见:
forceful
competent
proficient
dramatic
weighty
momentous
fruitful

反义:
adj.有效的
ineffective

反义参见:
powerless
vain
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