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adj.竖的; 垂直的; 直立的; 纵向的n.垂直线; 垂直位置 复数：verticals 牛津词典 adj. 竖的；垂直的；直立的going straight up or down from a level surface or from top to bottom in a picture, etc.the vertical axis of the graph图的纵轴 The cliff...
