duodenal

例句：

1. 1. He was diagnosed with a duodenal ulcer.
   他被诊断出患有十二指肠溃疡。
2. 2. The patient's symptoms were consistent with a duodenal infection.
   患者的病症与十二指肠感染相符。
3. 3. The doctor recommended a diet low in fat and high in fiber for the patient's duodenal health.
   医生建议这位患者采用低脂肪、高纤维的饮食，以维护其十二指肠健康。