Downlen.唐尔
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
downrange station离开发射中心的测试站
down link carrier下行线路载波
down draught kiln倒风窑,倒焰窑
downfaulted block断位陷落地块
downdraught grate抽风式链篦机,抽风带式焙烧机
down-the-linead.a.
down-flow spout降液管; 溢流管
down on all fours降至最低点
Down Blast System下送风系统
"he played down his royal ancestry"