英语词汇efficacy的意思、用法及释义-英汉双解词典

单词	efficacy
释义	efficacy n[U] state or quality of being efficacious 有效性; 效能; 功效 test the efficacy of a new drug 测试新药的效能.
随便看	spermaceti spermatozoon spermicidal spermicide sperm whale spew sp gr sphagnum -sphere sphere -spheric spherical spheroid sphincter sphinx spice spiced spiciness spick spicy spider spider-man spider plant spidery spied

英汉双解词典包含38652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。