[雅思词汇] 2011年雅思词汇辅导高频词汇：efficient

发表于 2012-8-14 21:36:12 | 显示全部楼层 |阅读模式

efficient [反]inefficient
　　adj. doing sth. well and thoroughly with no waste of time, money, or energy效率高的，有能力的
　　efficient heating equipment效能好的供暖设备

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