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单词 pulley
释义 pulley
['pʊl.i] noun countable
■a piece of equipment for moving heavy objects up or down, consisting of a small wheel over which a rope or chain fixed to the object can be easily pulled or released slowly (用于搬运重物的)滑车,滑轮
The blocks of stone had to be lifted into position with a system of pulleys.这些石块得用滑轮组牵引到位。
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