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stomodaeum

/stəməʊ'di:əm/

📖 中文释义

  1. n. 口道, 口凹; 原口
📘 English Definition(英文释义)
  1. n. A part of the alimentary canal. See under Mesenteron.
  2. n. The primitive mouth and esophagus of the embryo of
  3. annelids and arthropods.