effectiveness

英 [ɪ'fektɪvnɪs] 美 [ə'fɛktɪvnɪs]
  • n. 效力

助记提示


1. ef- "out" + fect-. 在这里取 out 的引申义:完成、结束(finish, end)之意。
2. meaning: 事情做完了,事情做结束了. => work out, accomplish.
3. => 引申为:事情做完、做结束后的结果、效果、作用、影响等。
4. 做动词就表示:生效、完成、实现、达到、造成等含义。
5. effect + -ive + -ness.

英文词源


effectiveness (n.)
c. 1600, from effective + -ness.

双语例句


1. Our research attempts to evaluate the effectiveness of the different drugs.
我们的研究试图对不同药物的疗效进行评估。

来自《权威词典》

2. The drugs work well at first but gradually lose their effectiveness.
这些药的效果起初非常好,但后来逐渐失效.

来自《简明英汉词典》

3. To assert this is to denigrate the effectiveness of the police.
坚持这一点就是贬低警方的办事能力.

来自《简明英汉词典》

4. Bad diction marred the effectiveness of his speech.
措词不当影响了他演说的效果.

来自《简明英汉词典》

5. Bad diction marred the effectiveness of her speech.
文辞不当削弱了她演讲的渲染力.

来自《现代汉英综合大词典》

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