cathartic colon

例句：

1. 1. The cathartic process involves the use of herbs to aid digestion.
   净化过程涉及使用草药来帮助消化。
2. 2.The patient was given a cathartic to relieve his stomach pains.
   病人被给予一种净化剂以缓解他的胃痛。
3. 3. The cathartic treatment helped the patient recover from his illness.
   这种净化治疗帮助病人从疾病中恢复。