adj.上上下下的;起伏的;来来往往的;变动的;
英文例句/中文翻译:
A ragtime dance characterized by a springy walk with the feet well apart and a swinging up-and-down movement of the shoulders.
一种繁音拍子的舞蹈,其特点是双足充分分开,有弹性地舞步,双肩上下摇摆扭动。
The Up-and-down Speed Control of Stepping Motor in Jet Graph Plotter
喷墨绘图仪中步进电机的升降速控制
She paced up and down outside the room.
她在屋子外面来回走着。