dyspepsia

例句：

1. 1. She was suffering from indigestion and couldn't eat anything.
   她因为消化不良而什么也吃不下。
2. 2.He felt nauseous after eating too much spicy food.
   他吃了太多辛辣的食物后感到恶心。
3. 3. The stomach upset caused her to lose her appetite.
   胃部不适使她失去了食欲。