gastrointestinal tract

例句：

1. 1. The patient's symptoms were consistent with a gastrointestinal infection.
   患者的病症与胃肠道感染相符。
2. 2. The doctor recommended a gastrointestinal tract biopsy for further testing.
   医生建议进行胃肠道活组织检查以进一步检测。
3. 3.The patient was advised to avoid greasy and spicy foods while the gastrointestinal tract healed.
   患者被建议在消化系统恢复期间避免油腻和辛辣的食物。