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单词 duodenum
释义
du·o·de·num (də-dēnəm, dy-, d-ŏdn-əm, dy-)
n. pl. du·o·de·na (də-dēnə, dy-, d-ŏdn-ə, dy-) or du·o·de·nums
The beginning portion of the small intestine, starting at the lower end of the stomach and extending to the jejunum.

[Middle English, from Medieval Latin, short for intestīnum duodēnum digitōrum, intestine of twelve finger-widths (in length), from Latin duodēnum, genitive pl. of duodēnī, twelve each, from duodecim, twelve; see DUODECIMAL.]

duo·denal (də-dēnəl, dy-, d-ŏdn-əl, dy-) adj.
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更新时间:2025/1/7 11:05:35