underactv.不充份地表演;不卖力地演
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-floor lifting line地下式架车机
under petticoat government在老婆的管教下,阃令森严
under-hearth air cooling炉底空气冷却
under construction project在建项目
under the new dispensation在新制度之下;按照新制度
underexcitation protection欠励保护
under certain circumstanceadv.在某种情况下
under threat of punishment在处罚的威胁之下