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 amphibolite facies高角闪岩相upper cervical vertebrae上颈段upper sector of triangle三角室上段脉upper extremity weakness上肢衰弱upper valve gear housing顶罩汽门室罩upper-air observations高空观测资料upper energizer syndrome上焦病证Upper Atmosphere Aerosol高层大气气溶胶upper cylinder bore wear上止点附近的气缸壁磨损upper extremity exercise上肢运动