| 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。 |