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 back extension exercise上背部伸展操练
upper sideband up-converter上边带上变频器
upper anterior dental forceps上颌前牙钳
upper A-V nodal tachycardia上房室结心动过速
Upper reach of Minjiang River岷江上游
upper threshold of stereopsis实体视觉上阈
upper and middle Yellow River黄河上中游
upper atmospheric exploration高层大气探测