efficiency
UK/ɪ'fɪʃ(ə)nsɪ/US/i'fiʃәnsi/
NGSL 3kTOEFLB1
Definitions
n.
The ability to achieve results with minimum wasted time or resources.
效率；效能。
Root Breakdown
Root-derivedefficientout of, from
+
-cymake, do
=efficiency
efficient + -cy (state of) = 'the quality of being efficient.' Transparent abstract noun.
Common Collocations
- 1.energy efficiency能源效率
- 2.operational efficiency运营效率
- 3.improve efficiency提高效率
- 4.fuel efficiency燃油效率
- 5.work efficiency工作效率
Example Sentences
- 1.
Automation greatly improved the factory's efficiency.
- 2.
We need to increase efficiency without raising costs.