pulley
英 [ˈpʊli]
美 [ˈpʊli]
n. 滑轮; 滑轮组; 滑车
复数:pulleys
BNC.20246 / COCA.15800
牛津词典
noun
- 滑轮;滑轮组;滑车
a wheel or set of wheels over which a rope or chain is pulled in order to lift or lower heavy objects- a system of ropes and pulleys
绳索滑轮系统
- a system of ropes and pulleys
柯林斯词典
- N-COUNT 滑轮;皮带轮
Apulleyis a device consisting of a wheel over which a rope or chain is pulled in order to lift heavy objects.- The weights are moved via a cable and pulley system.
重物通过缆绳和滑轮系统运送。
- The weights are moved via a cable and pulley system.
英英释义
noun
- 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