单词：inefficacy
[医] 无效, 无效力
inefficacy的用法和样例：
例句
- However, this can also be due to the inefficacy of the drug and at this time we may wish to change the treatment to prevent disease progression.但是，这也可以因药物无效所致，那么此时我们可能希望改变治疗方案从而防止这种无反应进展。
经典引文
The usual inefficacy of the lamps, which..shed but a dying glimmer even while they burned.
出自：R. L. Stevenson
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