下腹部的

例句：

1. 1.He sat on the edge of the bed and felt his abdomen tighten.
   他坐在床边的边缘，感到他的腹部紧绷。
2. 2.She ate a lot of food for breakfast, and her abdomen was swollen.
   她早餐吃了很多食物，她的腹部变得很胀。
3. 3. The doctor told him to rest in bed and not move around too much, as it might cause strain on his abdomen.
   医生告诉他躺在床上休息，不要动太多，以免对他的腹部造成压力。