Nasal ulcer

• 鼻溃疡

Nasal ulcer的用法和样例：

例句

1. He eats only bland food because of his ulcer.
   他患溃疡，只能吃无刺激性的食物。
2. An ulcer perforates the duodenal wall.
   溃疡使十二指肠壁穿孔。