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	instruments insubordinate insubstantial insufferable insufficiency insufficient insufflate insufflated insufflates insufflating insufflation insufflations insulant insulants insular Insular Celtic insulars insulate insulate insulated insulates insulating insulation insulation insulations

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