upwardadj.向上的；上升的adv.向上；上升upward momentum上升势头upward mobility上进心,向上倾向upward movement向上运动upward tendency上涨的趋势upward gradient上向坡度upward spinning向上纺丝upward floating上浮upward drilling向上钻孔侵蚀upward reaction向上反作用力upward velocity上向速度