anal canal
英
美
- 肛管,肛门管
双语例句
- The terminal hindgut forms the upper portion of the anal canal.
末端后肠形成肛管的上部。 - Peristalsis in the large intestine pushes waste toward the anal canal and is important in removing gas and dislodging potential bacterial colonies.
大肠内的蠕动将粪便推入肛管，在排出结肠内的气体及抑制细菌生长方面发挥十分重要的作用。
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