Close your eyes and imagine a ball of snow that starts off rolling down a hill very slowly. But with every roll, it picks up more and more snow until it becomes a big snowball rolling very fast down the hill. You could say, "What began as a small problem snowballed into a huge problem very quickly." Here is the verb "snowball" used in a dialogue:__________________________闭上眼睛想象一下,一个雪球开始慢慢地滚下山.但是随着每一次滚动,它会吸收越来越多的雪,直到变成一个大雪球飞快地滚下山. 你可以说,"一开始的小问题会迅速恶化成一个大麻烦." 以下是snowball作为动词在对话中应用:_________________________