efficiency
US /ɪˈfɪʃ.ən.si/
UK /ɪˈfɪʃ.ən.si/
名词
效率, 效能
the state or quality of being efficient
示例:
•
The new system improved the efficiency of the production line.
新系统提高了生产线的效率。
•
We need to increase our energy efficiency.
我们需要提高能源效率。
反义词: