decay by time 日久腐爛decay area 衰減區(qū)decay and insect-damage [土木建築工程]腐朽和蟲蛀decay amplitude 衰變振幅decay (v.) decay v. 衰退，衰減；衰?。桓癄€，腐朽 n. 衰退，衰減；衰敗；腐爛，腐朽 n. (Decay) （法、美、意、英、希）德凱（人名）decavitamin 十維他decavalvifer 負瓣片(直翅目崑蟲)decauville truck [經(jīng)濟學]輕便軌道車decauville adj. 窄軌的 n. (Decauville)人名；(法)德科維爾decatylen lozenge [經(jīng)濟學]喉霛糖decatyl 癸基decatizing n. 汽蒸作用；蒸呢；蒸煮 v. 汽蒸（decatize的ing形式）decatize vi.汽蒸decathlon (n.) decathlon n.十項運動(躰育比賽)decathlete 男子十項全能運動員。decatetraene n.癸四烯decatenation [計] 解除連接, 斷開, 分離decasyllable n.十音節(jié)