单词	back shaft
释义	back shaft noun 1 : a countershaft driven by a back gear 2 : any shaft placed at the back of a machine Word History First Known Use 1847, in the meaning defined at sense 1
随便看	commutatively commutativities commutativity commutator commutators commute commuted commuted value commuter commuter rail commuter train commuters commutes commuting commutual commy Commynes comneni Comnenian Como Comobo comobos comodo Comodoro Rivadavia comoid

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