Downien.唐尼
downadv.向下prep.沿着 ... 而下adj.向下的;消沉的;无礼的n.绒毛;汗毛v.击倒;打败;吞下;被抑制
downcoastal flow近岸流
down lead roller转向辊
down-flow flue下降火焰道
Downlink channel下行通道
down-lead line引下线
downcomer bottom降液管底端
downlink carrier下行链路载波
down unweighting压板减重转弯
down cut milling[机] 下向铣切
down in the hips马臀骨受伤,垂头丧气, 无精打采