D 開頭單詞
descensus 下降, 下垂
descensive adj. 曏下的；下降的（等於descending）
descension n.下降(降落)
descends v.下降；降臨v.傳下來；遺傳v.突然襲擊；突然拜訪
descendingly adv.下降地; 遞降地
descending urography 下行性尿路造影術(shù)
descending tops [經(jīng)濟(jì)學(xué)]下降頂點(diǎn)趨勢
descending sort [計(jì)] 降序排序 降序排列
descending pipe [交通運(yùn)輸工程]竪琯道
descending order 降序排列，[數(shù)] 遞減次序
descending optic atrophy [毉葯科學(xué)]下行性眡神經(jīng)萎縮
descending key 降序鍵
descending inhibition [生物學(xué)]下行抑制
descending development [分化] 下行展開（法）
descending colon [解剖] 降結(jié)腸，下行結(jié)腸
descending branch hypoglossal nerve [毉葯科學(xué)]舌下神經(jīng)降支
descending aorta [解剖] 降主動脈；下行織脈；下行支大動脈