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gear case, gear lever, gear train, gear wheel, gearbox, gear-box, gearbox-case, gearcase, gearchange, gear-driven,

相似单词

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phosphopyridoxal, phosphopyridoxamine, phosphopyruvate, phosphor, phosphor bronze, phosphoramidate, phosphoramide, phosphorane, phosphoranediyl, phosphoranepentayl,