efficiency
UK/ɪ'fɪʃ(ə)nsɪ/US/i'fiʃәnsi/
NGSL 3kTOEFL四级六级考研B1
释义
n.
The ability to achieve results with minimum wasted time or resources.
效率;效能。
词根拆分
词根派生efficient出,从
+
-cy做 ,干
=efficiency
efficient + -cy(……的状态)="高效的性质"。透明的抽象名词派生。
常用搭配
- 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
例句
- 1.
Automation greatly improved the factory's efficiency.
自动化大幅提升了工厂的效率。
- 2.
We need to increase efficiency without raising costs.
我们要在不增加成本的前提下提高效率。