little gut

例句：

1. 1. He ate a lot of food but still felt hungry.
   他吃了很多食物，但还是感到饿。
2. 2.The doctor told him to eat more fiber and water to keep his little gut healthy.
   医生告诉他要多摄入纤维和水分来保持他的小肠健康。
3. 3. After eating too much junk food, he felt sick and had to go to the bathroom.
   吃了太多垃圾食品后，他感到恶心，不得不去洗手间。