anal opening

• 肛门

anal opening的用法和样例：

例句

1. What medicine can treat anal Sao to itch?
   有什么药能治疗肛门瘙痒吗？
2. All cases were followed up to obtain the data of tumor recurrence and anal function prospectively.
   前瞻性随访术后病人肿瘤复发与肛门排便功能状况。