pulleyKK [ˋpʊli] /ˈpʊli/发音名词1滑轮、滑车They used a rope and pulley to lift the heavy crate.他们用绳索和滑轮把沉重的木箱吊起来。2皮带轮机械The belt slipped off the pulley and the engine stalled.皮带从皮带轮上滑落,引擎就熄火了。用这个字练口说→