An English book, a maths book, three storybooks and.

一本英语书，一本数学书，三本数学书和。

You don't have your math book.

你没有放进你的数学课本。

And number four: Why was the math book sad?

为什么数学书很难过？

He also has a math book open.

他还打开了一本数学书。

Doing art. - When we do our math books.

- 做艺术。 - 当我们做数学书的时候。

26. My math book is heavy.

26.我的数学书很重。

When I was a kid, I could go through a math book in a week.

我小时候，一星期就能把算数课本念完。

Okay, if you don't get this joke, math books have questions you have to answer, they have problems you have to figure out.

好吧，如果你没有听懂笑点，数学书中有你必须回答的问题，他们有问题，你必须弄清楚。

Around 400 years ago, it started showing up in math books as a placeholder for the unknown, and the theories as to why are truly bizarre.

大约 400 年前，它开始作为未知数出现在数学书中，这其中的原因真的很奇怪。

You know, when l... When I was a kid, I could go through a math book in a week. So I'm gonna go see about what job they got down there.

你知道，我.....我小时候，一星期就能把数学课本念完。所以我想去看看，有什么工作可做。

I have no idea what my siblings did when they did school, but when I did it I opened my math book and spent ten minutes turning pages, running my fingers down the center fold.

我不知道哥哥们和姐姐在那期间都干了什么，我总是打开数学书，花十分钟翻书，手指在中间插页上摩挲。

One afternoon, after he'd caught me looking at the math book, he and I spent an hour hauling buckets of water across the field to his fruit trees, which wouldn't have been at all unusual except it was during a rainstorm.

一天下午，他又逮住我在看数学书，就让我和他抬水穿过田野，去浇他的果树，整整一小时里抬了一桶又一桶。这原本也没什么反常的，但当天正在下暴雨。

It was a Saturday night. I was at Grandma-over-in-town's, my math book propped open on the kitchen table, a plate of cookies next to me. I was studying to retake the ACT. I often studied at Grandma's so Dad wouldn't lecture me.

那是一个星期六的晚上。我在城里外婆家，厨房餐桌上摆着我的数学课本，旁边是一盘饼干。我正在为重新参加大学入学考试而复习。我经常在外婆家学习，这样爸爸就不会教训我了。