decurvation n.朝下彎曲decurtation n.切短；縮短decursive 下延的decursinol n.前胡醇decursidin 紫花前胡次素decurrently adj.[植]下延的decurrent adj.[植]下延的decurrence [植]下延, 向下生長decuroside 迪叩甙, 紫花前胡甙decurl 弄平整,去卷曲decurion 十人長, 什長decuple (adj.) decuple n.十倍adj.十倍的v.十倍之decumulation n.積聚物的處理decumbently adv.爬臥地上地；俯伏性地decumbent stem [生物學(xué)]斜上莖decumbent corydalis tuber [醫(yī)藥科學(xué)]夏天無decumbent bugle herb 筋骨草decumbent adj. 平躺的；（植物或其枝條）外傾的decumbenine 夏無堿