弘扬国学 · 传承文化

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首页英语词典ratchetratchet英英释意

ratchet

英 ['rætʃɪt] 美['rætʃɪt]

英英释义实用场景例句

n. 棘轮；棘齿
vt. 安装棘轮于；松脱

英英释意

1. mechanical device consisting of a toothed wheel or rack engaged with a pawl that permits it to move in only one direction