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efficiency [i'fiʃənsi]    添加到生词本 复制网址
基本释义
  • n. 效率,效能,有效
词形变化
  • 复　数：ef·fi·cien·cies
常用短语
    1. efficiency expert
      n. 效率专家
    2. efficiency engineer
      效率工程师
    3. efficiency apartment
      有小厨房和卫生设备的小套公寓房间
参考例句
    1. He innovated a plan for increased efficiency.
      他引进提高效率的(新)方案。
    2. There are many ways of increasing agricultural efficiency.
      提高农业效率的方法有许多。
    3. Working at peak efficiency.
      最大效率的运转
    4. We must concentrate our attention on efficiency.
      我们必须把注意力集中在效率上。
    5. Have an efficiency in . . .
      对..有功效
英英解释

  • 　2个名词解释

    1. the ratio of the output to the input of any system
    2. skillfulness in avoiding wasted time and effort
      [反] inefficiency
      [例]
      • she did the work with great efficiency