emesis

例句：

1. 1. She felt a sudden urge to vomit after eating too much spicy food.
   她吃了太多辛辣的食物后突然感到想吐。
2. 2. The patient was experiencing severe nausea and vomiting.
   病人正在经历严重的恶心和呕吐。
3. 3.After the surgery, she had to stay in the hospital for several days due to nausea and vomiting.
   手术后，她因为恶心和呕吐不得不在医院待了几天。