胃与脾脏的

例句：

1. 1. The patient's condition was complicated by a gastrointestinal infection.
   患者的病情因胃肠道感染而复杂。
2. 2. The study focused on the role of the gastrointestinal tract in digestion.
   该研究关注了胃肠道在消化中的作用。
3. 3. The patient required surgery to address the gastrointestinal issue.
   患者需要进行手术来解决胃肠道问题。