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efficacy;efficiency;effect阿司匹林药片治疗方法简便，～却非常显著。Aspirin is a simple but highly effective treatment./提高～3倍raise the efficiency by three times;the efficiency increased threefold
efficiency
英汉词典共收录311570条英汉翻译词条，基本覆盖所有常用英文单词的例句及中文翻译，是不可多得的英语学习材料。