downedadj.击落的;击倒的动词down的过去式和过去分词.
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
down-conversion mixer下变频混频器
down-umbrella aerator倒伞曝气机
down and feather pillow羽绒枕
down to the last detail非常详尽地
down-the-row weeder顺行除草器
Down the old plank road漫漫乡间路
down-pipe collect box下流管集合箱
down-side risk theory下方风险理论
down-draft carbureter下吸式汽化器
Down and Out in America在美国潦倒