pulley

'puli
六级GRE

英文释义

n. 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

中文翻译

n. 滑车, 滑轮
[医] 滑车

20,246
BNC 频率
15,800
使用频率

记忆技巧

pulley 这个词没有明显的词根词缀分析，但可以从它的构造理解为与“pull”（拉）相关，因其主要功能是帮助拉动物体。

例句

1. The workers used a pulley to lift the heavy box to the rooftop.
工人们用滑轮将重箱子抬到屋顶。
2. A pulley system can make it easier to move large objects.
滑轮系统可以让移动大物件变得更容易。
3. He learned how to fix the broken pulley in his science class.
他在科学课上学会了如何修理坏掉的滑轮。

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