n. a circumscribed inflammatory and often suppurating lesion on the skin or an internal mucous surface resulting in necrosis of tissue
n. 溃疡, 腐烂物
[医] 溃疡
1. The doctor diagnosed her with a stomach ulcer.
医生诊断她患有胃溃疡。
2. Eating spicy food can sometimes worsen an ulcer.
吃辛辣食物有时会加重溃疡。
3. He took medication to help heal the ulcer in his mouth.
他服用了药物来帮助治疗口腔中的溃疡。