单词 | pulley |
释义 | pul·leyBrE /ˈpʊli/ NAmE /ˈpʊli/ noun a wheel or set of wheels over which a rope or chain is pulled in order to lift or lower heavy objects 滑轮;滑轮组;滑车◆ a system of ropes and pulleys 绳索滑轮系统 |
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