2--Is it something you ate?

1--Maybe. I'm not sure.

2--What did you have for breakfast?

1--The usual, cereal with milk and a banana.

2--Maybe the milk was bad.

1--It didn't smell bad.

2--Maybe the banana was bad.

1--No, the banana was delicious.

2--Maybe you just need to go to the bathroom.

1--No, that's not the problem.

2--Maybe it will go away in a little while.

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注解：
 
1.stomachache肚子疼
2.delicious可口的   
3.bathroom洗手间

===================================
译文：

1--我肚子疼。

2--是吃了什么东西的问题吗？

1--可能是吧。我不确定。

2--你早饭吃了什么？

1--和往常一样，燕麦牛奶和一根香蕉。

2--可能牛奶变质了。

1--闻起来不像啊。

2--可能是香蕉坏了。

1--不是，香蕉很好吃。

2--或许你只是想去洗手间。

1--不，那不是问题所在。

2--可能一会儿就好了。