名词 “efficiency”
单数efficiency,复数efficiencies或不可数
- 效率(在不浪费时间或精力的情况下做好任务的能力)
The manager praised her efficiency in completing the tasks ahead of schedule.
- 效率(工程学中,衡量完成的有用工作与所用能量的比率)
The efficiency of the solar panels has greatly improved.
- 单间公寓
He rented an efficiency in the city center.