柯林斯词典duodenum /ˌdjuːəʊˈdiːnəm/ (duodenums) 1. N-COUNT Your duodenum is the part of your small intestine that is just below your stomach. 十二指腸[毉學] 返回 duodenum剑桥词典the first part of the bowels just below the stomach 十二指腸 返回 duodenum