弘扬国学 · 传承文化

effective

英 [ɪ'fektɪv] 美 [ɪ'fɛktɪv]

CET4TEM4IELTS考研TOEFLCET6

解释

adj. 有效的，起作用的；实际的，实在的；给人深刻印象

※ 提供单词"effective"的中文意思、发音示范及音标对照，中英文词源、例句和用法等。

中文词源

effective 有效的

来自effect, 效果。

英文词源

effective (adj.): late 14c., "serving to effect the intended purpose," from Old French effectif, from Latin effectivus "productive, effective," from effect-, stem of efficere (see effect (n.)). Of military forces, meaning "fit for action or duty" is from 1680s.

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例句和用法

1. Condoms are an effective method of birth control if used with care.: 如果使用得当，避孕套是很有效的避孕手段。

2. Light colours provide an effective backdrop for pictures or a mirror.: 浅色是挂放图画或镜子很有效果的衬托。

3. Women are sometimes seen to be less effective as managers.: 女性有时被认为不善于管理。

4. The initial image projected was of a caring, effective president.: 他最初表现出的是一个充满爱心、办事有效的总统形象。

5. The bank must be run in a cost-effective way.: 银行的经营必须追求成本效益。