干呕

例句：

1. 1. He had a terrible stomachache and couldn't eat anything.
   他肚子疼得厉害，什么也吃不下。
2. 2. She was so sick that she could barely swallow.
   她病得很厉害，几乎连吞咽都困难。
3. 3. After the surgery, he had to stay in bed for several days until his body recovered.
   手术后，他不得不卧床几天，直到身体恢复。