Efficiency is the quality of being able to do a task successfully, without wasting time or energy. 效率
noun [抽象名词] 效率，效能；（机器的）功率
There are many ways to increase agricultural efficiency in the poorer areas of the world. 有许多提高世界较贫困地区农业效能的方法。
- efficiency 出现在下面的课文中（提供视频、音频及笔记等可系统性学习）
- Lesson 49 The ideal servant
ef(出) + fic(做) + iency → 做出东西又快又好 → 效率； 功效
- 网友用 “Efficiency” 造句精选
- It was achieved with minimum fuss and maximum efficiency. 它以最少的慌乱和最高的效率被做到了。
- Defrost the fridge regularly so that it works at maximum efficiency. 定期给冰箱除霜能取得最大效率。
- She arranged everything with her customary efficiency. 她以她特有的高效率把一切都已安排妥当。