effectiveness

英 /ɪˌfek'tɪvnɪs/ 美 /əˈfɛktɪvnɪs/
★★★★中高频词

中文释义

n.有效,有力,有效性,效益,效用

所属词汇书

effectiveness的英语例句

  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。

  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.

  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.