ulcer duodenal

• 十二指肠溃疡

ulcer duodenal的用法和样例：

例句

1. He has been operated on for his duodenal ulcer.
   他已因十二指肠溃疡而作了手术。
2. In contrast, virtually all duodenal peptic ulcers are benign.
   相反，实际上所有的十二指肠溃疡都是良性的。