记得小时候我看过一部动画片，片中的一个人物将一个弹珠大小的雪球放在雪山顶上，然后让雪球滚下来。

I remember when I was a kid, I was watching this cartoon where a character put a marble-sized snowball at the top of a snowy hill and rolled it down.

youdao

记得小时候我看过一部动画片，片中的一个人物将一个弹珠大小的雪球放在雪山顶上，然后让雪球滚下来。

I remember when I was a kid, I was watching this cartoon where a character put a marble-sized snowball at the top of a snowy hill and rolled it down.

youdao