UPVn.非受火压力容器upadv.向上；起来；上升；往上prep.向上adj.向上的；上行的n.上升v.上升；增加Up to one's ears深陷在(工作中)...up sb.'s alleyup-application上层应用uplink receiving上行接收up/down train上行/下行up here/there这/那上面upflow contactor升流式接触池upgrading course进修课程uppish young man非常自信、骄傲的小伙子Upwind Aim Point逆风瞄准点