相关单词同义词effectiveness, virtue, 近义词 ability 能力, competence 能力, capacity 容量, proficiency 熟练, technique 技术, utility 效用, virtue 美德, effectiveness 有效性, efficiency 效率, usefulness 有用, worth 价值, value 价值, efficaciousness 有效反义词inefficacy, 无效力临近词efficiency, efficacious, efficacytest, efficacy test, efficacy ratio, efficacy trial, efficacy index, efficacy of law, efficacy modulus, efficacy testing, efficacy function, efficacy research相似词effervesce, effervescent, effete, efficacious, efficiency, efficiency apartment, efficiency room, efficient, 返回 efficacy