單詞
efficiency
英 [?'f??(?)ns?]
美[?'f???nsi]
基本信息
- n. 效率；效能；功效
CET4TEM4考研TOEFLCET6中低頻詞常用詞匯
英英釋意
- 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"
efficiency相關(guān)單詞