柯林斯词典pulley /ˈpʊlɪ/ (pulleys) 1. N-COUNT A pulley is a device consisting of a wheel over which a rope or chain is pulled in order to lift heavy objects. 滑轮 返回 pulley剑桥词典a piece of equipment for moving heavy objects up or down, consisting of a small wheel over which a rope or chain attached to the object can be easily raised or lowered （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。 返回 pulley