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-现代词典

单词	pulley
释义	pulleypulley /ˈpʊli/ noun (plural pulleys) [countable] Etymology ETYMOLOGYpulley Origin: 1300-1400 Old French poulie, probably from Greek polos; ➔ POLE¹ science a piece of equipment consisting of a wheel over which a rope or chain is pulled to lift heavy things
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