| 词汇 | efficiency |
| 释义 | efficiency 2 ENTRIES FOUND: efficiency (noun) efficiency apartment (noun) efficiency /ɪˈfɪʃənsi/ noun plural efficiencies efficiency /ɪˈfɪʃənsi/ noun plural efficiencies Learner's definition of EFFICIENCY 1 : the ability to do something or produce something without wasting materials, time, or energy : the quality or degree of being efficient效率；效能；效力 [noncount] Because of her efficiency, we got all the work done in a few hours.由于她的效率高，我们几个小时就干完了全部工作。 The factory was operating at peak efficiency.工厂开足马力运转。 a car with greater fuel efficiency [=a car that uses fuel more efficiently]油效更高的车 A furnace with 80 percent fuel efficiency wastes 20 percent of its fuel.燃料效率达到80%的锅炉浪费了20%的燃料。 [plural] (technical) The company is trying to lower costs and improve efficiencies.公司正打算降低成本，提高效率。 2 [count] US : efficiency apartment |
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