effectiveness
[ɪˌfek'tɪvnɪs]
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| n.有效,有力;有效性;效益;效用 |
参考例句:
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- 1. Our research attempts to evaluate the effectiveness of the different drugs. 我们的研究试图对不同药物的疗效进行评估。
- 2. The drugs work well at first but gradually lose their effectiveness. 这些药的效果起初非常好,但后来逐渐失效。 来自《简明英汉词典》
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