词汇 | efficiency |
释义 | efficiency noun uk/ɪˈfɪʃ.ən.si/ us/ɪˈfɪʃ.ən.si/ B2 [ U ]效率;效能;功效 the quality of working well in an organized way, without wasting time or energy She gets through her work with speed and efficiency. What is so impressive about their society is the efficiency of the public services. 他们的社会给人留下最深刻印象的是其高效率的公共服务。 [ U ] physics specialized(机器的)功率 the relationship between the amount of energy put into a machine or process, and the amount of useful work that it produces The efficiency of cardiac muscle (the ratio of useful work done to fuel energy burned) is 10% to 15%.
Related word: efficient |
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