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 hydraulic cushion机械制造
Upper cervical vertebra上颈椎
Upper - labial frenum上唇系带
upper temperature limit温度上限
uppermost in one's mind
upper airway resistance上气道阻力
upper-air observation高空观测
upper-level threshold上阈
upper approximation set上近似集
upper crustal structuren.上地壳构造