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首页英语词典efficiencyefficiency英英释意

efficiency

英 [ɪ'fɪʃ(ə)nsɪ] 美[ɪ'fɪʃənsi]

英英释义考试真题实用场景例句

n. 效率；效能；功效

英英释意

1. the ratio of the output to the input of any system

2. skillfulness in avoiding wasted time and effort;: "she did the work with great efficiency"