弘扬国学 · 传承文化

80文学目录推荐：网络热门句子　

efficiency英英释意_efficiency英语例句-80文学目录

首页英语词典efficiencyefficiency英英释意

efficiency

英[ɪ'fɪʃ(ə)nsɪ] 美[ɪ'fɪʃənsi]

英英释义实用场景例句

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"