指腸中段 ascending part of duodenum: 十二指腸升部cranial part of duodenum: 十二指腸前胸部descending part of duodenum: 十二指腸降部horizontal part of duodenum: 十二指腸水平部superior part of duodenum: 十二指腸上部下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯