| 单词 | efficiency |
| 释义 | efficiencyefficiency /ɪˈfɪʃənsi/ ●●○ noun 1[uncountable] the quality of doing or using something well and effectively, without wasting time, money, or energy: The company will focus on improving the efficiency of its operations. I admired her for her efficiency and cheerfulness.2efficiencies [plural] the amounts of money, supplies, etc. that are saved by finding a better or cheaper way of doing something: Using new technology has helped us achieve dramatic efficiencies in production.3[countable] an efficiency apartment4[uncountable] science the measurement of the amount of work a machine or system does compared to the amount of energy that it uses: A new furnace would give greater efficiency and more heat output.fuel/energy efficiency This system could increase the fuel efficiency of today’s cars by 50%. |
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