讲解文本：

zone out 走神，发呆，开小差，分心

How can you zone out when your exam is tomorrow?

明天就要考试啦，你怎么还在发呆?

Stop zoning out! We still have a lot of studying to do.

别发呆啦，我们还有很多学习任务呢。

疯狂练习吧!