upper fan上扇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 digestive tract malignancy上消化道恶性肿瘤upper raindrop size distribution空中雨滴谱upper atmospheric thermodynamics高层大气热力学Upper female genitourinary tract女性上泌尿生殖道upper reaches of Yuanjiang River沅江上游Upper chassis of Bucket elevator斗提机上部Upper gastrointestina hemorrhage上消化道出血upper atmosphertic thermodynamics高层大气热力学Upper digestive tract perforation上消化道穿孔upper bound of energy consumption能耗上限