请输入您要查询的英文单词:

 

单词 efficacy
释义
N63654128efficacySpoken.126Fiction.57Magazine.410Newspaper.120Academic.3415

efficacy

/ˈefɪkəsɪ/
noun
mass noun
formal the ability to produce a desired or intended result
〈正式〉功效; 效力; 效能:

there is little information on the efficacy of this treatment.

有关这种疗法的疗效目前所知甚少。

词源
early 16th cent.: from Latin efficacia, from efficax, efficac (see EFFICACIOUS).
随便看

 

英汉双解词典包含131075条英汉词条,基本涵盖了全部常用单词的翻译及用法,是英语学习的有利工具。

 

Copyright © 2004-2022 Newdu.com All Rights Reserved
更新时间:2025/1/9 4:44:49