efficacy

['efikəsi]

n. 功效

例句与用法：

Aspirin has efficacy in relieving headaches.

阿司匹林有解除头痛的效能。

We are testing the efficacy of a new drug.

我们正在测试新药的功效。

The efficacy of the medicine is satisfactory.

这药的药效令人满意。

详细释义：

n.

效力, 功效[U]

the efficacy of the new policy

新政策的效力