subanal fasciole

例句：

1. 1. He had to remove the subanal fasciole for surgery.
   他不得不在手术中移除肛门袋。
2. 2.The patient was given a subanal fasciole to prevent constipation.
   患者被给予一个肛门袋以防止便秘。
3. 3.The doctor advised him to keep his subanal fasciole clean and dry.
   医生建议他保持肛门袋清洁干燥。