Downeyn.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downbound tows下行(顶推)驳船队downcut shears上切式剪切机downhaul cable引导缆Downsview Park当斯维尔公园down-draught倒灌downhole tools井下工具down take pipe溢流管down lead line引下线down conductor引下线down regulator负调节物