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！

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