collocystis

例句：

1. 1. He developed a severe case of colitis after eating contaminated food.
   他吃了受污染的食物后，患上了严重的结肠炎。
2. 2. The patient was diagnosed with inflammatory colitis and required immediate treatment.
   患者被诊断出患有炎症性结肠炎，需要立即治疗。
3. 3.Colitis is a chronic condition that can lead to serious complications if left untreated.
   结肠炎是一种慢性疾病，如果不及时治疗，可能会导致严重并发症。