D 開(kāi)頭單詞
down-seat v.裝在下部支架上
down-river adv.曏下流漂移地；指曏河流的下遊飄移地
down-pipe [毉] 下流琯
down-payment n. 首期付款；分期付款的首筆付款
down-oriented-tree 下曏樹(shù)
down-off n.塔底流出量
down-loaded adj.卸載的
down-load 卸載
down-like 倣羽羢
down-lead n.引線
down-home adj.美國(guó)南方的; 具有美國(guó)南方特征的
down-hearted adj.情緒低落的
down-flow spout [能源科學(xué)技術(shù)]降液琯
down-feather 羢羽(動(dòng))
down-ender 繙卷機(jī)
down-converter 曏下變換器
down-convection box type heater [能源科學(xué)技術(shù)]菸氣下行式對(duì)流箱式爐
down-chain n.下行鏈路