underpad(床上)垫料
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-taxation征税不足<过低>
under investment投资不足
undergland shoot地下枝条
under discussion在讨论中
underexpenditure节余, 支出节余
underflow signal下溢信号
underfeed winder下引纸复卷机
underhand stroke低手击球
"he underestimated the work that went into the renovation"
"Don't underestimate the danger of such a raft trip on this river"