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-down AHD[ŭp'ən-dounʹ] D.J.[ˌʌpənˈdaʊn]K.K.[ˌʌpənˈdaʊn]adj.（形容词） Characterized by or exhibiting an alternating upward and downward movement.一上一下的：上下的交互运动为特征的或表出现上下的交经运动的 Variable; changeable.可变的；变化的 Vertical.垂直的
随便看	University of Kansas University of Kentucky University of La Verne University of Louisville University of Maine at Augusta University of Maine at Augusta University of Maine at Farmington University of Maine at Fort Kent University of Maine at Fort Kent University of Maine at Machias University of Maine at Machias University of Maine at Orono University of Maine at Orono University of Maine at Presque Isle University of Maine at Presque Isle University of Mary University of Mary Hardin-Baylor University of Maryland at College Park University of Maryland-Baltimore County University of Maryland-Eastern Shore University of Maryland University College University of Massachusetts-Amherst University of Massachusetts-Boston University of Massachusetts-Dartmouth University of Massachusetts-Lowell

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