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pulley ['puli]    添加到生词本 复制网址
基本释义
  • n. 滑车,滑轮
词形变化
  • 复 数:pul·leys
常用短语
    1. idle pulley
      空转轮
    2. idler pulley
      支承滚筒,托滚,皮带张紧轮,惰轮,滚轮
参考例句
    1. Pass the rope over the pulley.
      把绳子穿过滑轮。
    2. Shaped like a pulley.
      滑车形的形状象滑车的
    3. The pulley is considered one of the five simple machines.
      滑轮被认为是五种简单机械之一。
    4. The lifting device is a system of ropes and pulleys.
      这种起重装置是由缆索和滑轮组成的.
    5. Levers and pulleys are simple machines.
      杠杆和滑轮是简单机械。
英英解释
  •  1个名词解释

    1. a simple machine consisting of a wheel with a groove in which a rope can run to change the direction or point of application of a force applied to the rope
      [同] block, pulley, pulley-block