efficiency
/ɪˈfɪʃnsi/
CEFR level B2Topic WorkWord #5416 in the learning path
效率；效能
Definitions
n. The ability to achieve results without wasting time, energy, or resources
效率；效能
Example
Organising my tools improved the efficiency of my work.
把工具整理好提高了我的工作效率。
Improving energy efficiency in public buildings can reduce government spending and lower greenhouse gas emissions.
提高公共建筑的能源利用效率，可以减少政府开支并降低温室气体排放。
Collocations
- energy efficiency
- improve efficiency
- operational efficiency
- fuel efficiency
Word family
- efficient (adj.)
- efficiently (adv.)
- inefficiency (n.)
- inefficient (adj.)
Antonyms
- inefficiency
Usage tip
efficiency强调少浪费；effectiveness强调达到效果。
FAQ
- What does efficiency mean?
- The ability to achieve results without wasting time, energy, or resources
- How is efficiency pronounced?
- UK /ɪˈfɪʃnsi/, US /ɪˈfɪʃnsi/. Use the audio buttons above to listen.
