upper PCs上位PC机
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- solution上、下解
upper diseases involving lower上损及下
upper differential coefficient上导数
upper digestive tract bleeding上消化道出血
upper reaches of Yangtze River长江上游
upper semi-continuousmapping上半连续映射
uppermost in my mind ...我心目中认为最主要的 ...
Upper Heilongjiang River basin
Upper male genitourinary tract男性上泌尿生殖道