efficacy
美音:
[´efı´kæsı
]英音:
[´efı´kæsı
]n.功效,效验
难易程度:
efficacy为短语/超纲词汇
词根
fact=to make(做),to do(做,为) 变化型 fect
近义词, 同义词
相关词
efficacy
/'efɪkəsɪ; `ɛfəkəsɪ/
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.
efficacy
n [U + of]formal the ability of something to produce the right result
=
effectiveness