efficiency meaning in English
n.
1.功效。
2.效率；效能；实力，能力。
3.【物理学】性能。
Examples
- Her utmost efficiency is but teaching .
她的最高效能在于教育人。 - He was typing with speed and efficiency .
他在飞快地打字，工作效率很高。 - This medicine will have immediate efficiency .
这药能立即奏效。 - A multistage operation improves the thermal efficiency .
多层操作可以提高热效率。 - They could move up to a new level of efficiency .
它们可以提高效率到一个新的水平。