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. 滑輪 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 （用於搬運重物的）滑車，滑輪 The blocks of stone had to be lifted into position with a system of pulleys. 這些石塊得用滑輪組牽引到位。 返回 pulley