ulcer

例句：

1. 1. He developed a stomach ulcer after years of smoking.
   他抽烟多年后患上了胃溃疡。
2. 2. The doctor prescribed medication to treat the patient's ulcer.
   医生开了药来治疗病人的溃疡。
3. 3. The patient was advised to avoid spicy foods and acidic drinks as they could worsen hisulcer.
   患者被建议避免吃辛辣的食物和酸性饮料，因为它们可能会加重他的溃疡。