My peach pit is inside it, too.

我的桃核也在里面呢。

"I had to throw out my peach pit," he explained.

“我得把桃核扔出去啊，”他解释道。

No, really. I guess it didn't fall out of the car after all. Look! My peach pit is inside it, too.

没开玩笑，是真的。我猜想它还是没掉到车外面去，瞧！我的桃核也在里面呢。