upper bar高杠
upperadj.较高的;上面的;上部的n.鞋帮;上铺n.兴奋剂;令人兴奋的经历
upper and lower teeth金梁
upper air temperature高空气温
upper quadrantanopsia上象限盲
upper blown converter顶吹转炉
upper Triassic series上三叠统
upper and lower bound上下界
upper crust structure上部地壳结构
upper air climatology高空气候学
upper state of symbol上态符号
upper bearing bracket上导轴承架