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	liniments linin lining lining linings linins link link linkage linkage group linkages linked linked linking linking verb links links linkup linkups Linköping linn Linnaean Linnaeus Linn-Benton Community College Linnean

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