胃与结肠的

例句：

1. 1.He was diagnosed with a gastrointestinal disorder.
   他被诊断出患有胃肠道疾病。
2. 2.The patient's symptoms were consistent with a gastrointestinal infection.
   患者的病症与胃肠道感染相符。
3. 3. The study investigated the effects of dietary fiber on the gastrointestinal tract.
   该研究调查了膳食纤维对胃肠道的影响。