The pulley is a wheel that carries a flexible rope, cord, cable, chain, or belt on its rim that's used to transmit energy and motion.

滑轮是一种轮子，它的轮缘有一根灵活的绳子、绳索、缆绳、链条或皮带，用来传递能量和运动。

He stooped above his dead conqueror and found, embedded in its decaying flesh, the elk-bone spear of his forefathers, and, trailing away at the water's rim, was a long, flexible, cedar-fibre rope.

他弯下腰​​，在他死去的征服者上方发现，嵌在他腐烂的肉中的是他祖先的麋鹿骨长矛，在水边拖着一根长而柔软的雪松纤维绳索。