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 limiting filter低通滤波器upper surface aileron上翼面副翼upper-Yangtze River长江上游Uppermid face facture面中上区骨折upper alternate depth上共轭水深upper elevation limit仰角上限upper-class culture上层文化upper subliminal band高限阈下频带upper uterine segment子宫上段Upper Surface Blowing上部表面吹制