flatulence in the lower abdomen

例句：

1. 1.He was feeling a bit flatulentafter eating too much spicy food.
   他吃了太多辛辣的食物后感觉有点胀气。
2. 2.The patient had been experiencing frequent flatulence for the past few days.
   这位病人过去几天一直有频繁的胀气现象。
3. 3. Flatulence can be caused bya variety of factors, including poor digestionor an imbalance in the digestive system.
   胀气可能是由多种因素引起的，包括消化不良或消化系统失衡。