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 semi-continuious上半连续upper energizer vomiting上焦吐Upper edge of the pelvis骨盆上缘upper hemispherical flux上半球通量,上半球光通量upper left costal border左上肋缘upper limit of variation改动上限upper reaches of a riveradj.江河的上游upper-level jet stream高空急流upper and lower solution上下解upper limb dropping test上肢坠落试验