美[??f?kt?vn?s] 1 . Our research attempts to evaluate the effectiveness of the different drugs.
我們的研究試圖對不同藥物的療效進行評估。
來自《權威詞典》
2 . The drugs work well at first but gradually lose their effectiveness .
這些藥的效果起初非常好,但后來逐漸失效.
來自《簡明英漢詞典》
3 . To assert this is to denigrate the effectiveness of the police.
堅持這一點就是貶低警方的辦事能力.
來自《簡明英漢詞典》
4 . Bad diction marred the effectiveness of his speech.
措詞不當影響了他演說的效果.
來自《簡明英漢詞典》
5 . Bad diction marred the effectiveness of her speech.
文辭不當削弱了她演講的渲染力.
來自《現代漢英綜合大詞典》
1.power to be effective; the quality of being able to bring about an effect
2.capacity to produce strong physiological or chemical effects;
the toxin's potency
