waterfall stomach

例句：

1. 1. The hikers were so exhausted that they collapsed in the waterfall stomach.
   徒步旅行者累得筋疲力尽，倒在了瀑布般的胃里。
2. 2.The doctor warned him to avoid overeating and to maintain a healthy waterfall stomach.
   医生警告他要避免过度进食，保持健康的胃。
3. 3. The scientist conducted experiments on the effects of different diets on a person's waterfall stomach.
   科学家对不同饮食对人的胃的影响进行了实验。