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