Even in middle and high schools, the math book can be 300 pages.
即使是在初高中，数学书也厚达300页。
The math book is not on the table.
数学书不在桌子上。
为什么数学书看上去这么悲伤？
The math book is on the dresser.
数学书在梳妆台上。
I opened the math book and started to read.
我打开了数学课本看了起来。
这个女孩的数学书丢了。
Bring your math book here and take the English book to your brother.
把你的数学书拿来，把这本英语书拿给你弟弟。
我的数学书在书包里。
She did several math problems in the book this evening.
今天晚上，她做了这本书上的几道数学题。
My math book is in the drawer of the desk.
我的数学书在课桌的抽屉里。
Close your book. Open your math book to page 25. Turn the page.
打开数学书，翻到第25页，翻页，合上书。
Bring your math book here. Take the English book to your brother.
把你的数学书拿来，把这本英语书拿给你弟弟。
This is the girl whose math book is lost.
这就是丢了数学书的女孩。
What a shame! I have to turn off the radio and open my math exercise book.
真可怜。我得关掉收音机，打开开数学练习本。
What a shame! I have to turn off the radio and open my math exercise book.
真可怜。我得关掉收音机，打开开数学练习本。
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