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首页英语词典mainspringmainspring英英释意

mainspring

英 ['meɪnsprɪŋ] 美['mensprɪŋ]

英英释义实用场景例句

n. 主要动力；（钟表）主发条；主要原因；主要动机

英英释意

1. the most important spring in a mechanical device (especially a clock or watch); as it uncoils it drives the mechanism