underrunvt.在 ... 下通过(用手拉起并循序检查)n.潜流(低于)
underprep.低于;在 ... 下;在 ... 内;在 ... 控制下adv.在昏迷中;在 ... 下adj.下面的;从属的;少于的
under external pressure在外压作用下
under a nurse rs charge交给奶奶领着
under investigation for在 ... 的调查中
under a fictitious name用假名
undergrowth vegetations林下植物
under-surface filling液面下灌浆
under mechanical stress在机械应力下
undergruduate institate本科院校
under-applied expense少分配费用
under sb's hand and seal