英语词汇“up-and-down”是什么意思，“up-and-down”的读音、用法及例句翻译-烛光网

词汇	up-and-down
释义	up-and-downAnd elevator is something that goes up-and-down.
随便看	copter copters Coptic Coptic Church Copts copula copulae copulas copulate copulated copulates copulating copulative copulatives copy terneplate terneplate ternes Terni terning Ternopol terns terpene terpenes terpineol

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