prolapsed anus

例句：

1. 1. The patient's prolapsed anus was causing significant discomfort.
   患者的脱垂肛门引起了严重的不适。
2. 2.The child had a prolapsed anus that required immediate medical attention.
   这个孩子有脱垂的肛门，需要立即医疗关注。
3. 3.Prolapsed anuses are a common cause of chronic constipation in older adults.
   脱垂的肛门是老年人慢性便秘的常见原因。