Can I borrow your math textbook?
我可以借你的数学课本吗？
I still have my discrete math textbook from college.
我还保存着大学里的离散数学课本。
He was reading a math textbook in the library.
他在图书馆看一本数学教科书。
He was reading a math textbook in the dormitory.
他正在宿舍里读一本数学教科书。
He was reading a math textbook in the dormitory.
他正在宿舍里读一本数学教科书。
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