efficacy
noun [ U ]
UK /ˈef.ɪ.kə.si/
US /ˈef.ə.kə.si/ formal
meaning:
the ability, especially of a medicine or a method of achieving something, toproduce the intended result
功效,效力,效验
例句:They recently ran a series of tests to measure the efficacy of the drug.
他们最近进行了一系列的试验来检测这种药的功效。
词汇助记:
前缀:ef- 向外
词根:fic-表示做;(beneficial /ˌben.əˈfɪʃ.əl/ adj. 有益的)
后缀:-acy 名词词后缀(delicacy 美味佳肴)
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