upper arm上臂,上腕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 Palaeozoic strata上古生界Upper Guantao Formation馆上段upper ocean circulation上层环流upper Cretaceous series上白垩统upper limit of pressure压力的上限Upper Lower Pleistocene早更新世晚期upper end of evaporator蒸发器的上端Upper sign-continuous弱上半连续upper storage reservoir上池; 上水库upper jaw lengthwensize吻长