anal tube

• 肛管

anal tube的用法和样例：

例句

1. The terminal hindgut forms the upper portion of the anal canal.
   末端后肠形成肛管的上部。
2. A rectal tube or moist heat on the abdomen may be effective in relieving distention.
   肛管或腹部湿热敷可有效缓解腹胀。