英语词汇“pulley”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	pulley
释义	pulley noun /ˈpʊli/ /ˈpʊli/ jump to other results enlarge image 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 The scenery was moved across the stage by ropes and pulleys. a system of chains passing over pulleys Word OriginMiddle English: from Old French polie, probably from a medieval Greek diminutive of polos ‘pivot, axis’.
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