Duoben.杜奥贝河(在利比里亚)duon.成对的表演者；二重奏（唱）pref.表示“二”；“一对”duodenal mucosa of chicken鸡十二指肠黏膜Duodenal Neoplasms/surg十二指肠肿瘤／外科学Duo two leading shoe brake双向双领蹄式Duodenal Neoplasms/daig十二指肠肿瘤／诊断duodirun merging algorithm[计] 双元素连贯合并算法Duodenal Neoplasms/diag十二指肠肿瘤/诊断duodenojejunal anastomosis十二指肠空肠吻合术Duodenal ulcer perforation溃疡,穿孔duodenal orifice of stomach胃的十二指肠口Duodenal muscularis propria十二指肠固有肌层