stomache

例句：

1. 1.He had a bad appetite after eating too much junk food.
   他吃了太多垃圾食品后胃口不好。
2. 2. The doctor advised him to eat more vegetables to improve his stomache.
   医生建议他多吃蔬菜以改善胃口。
3. 3.She felt hungry and wanted to eat some stomache-boosting food.
   她感到饿了，想要吃一些能促进食欲的食物。