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老师让我们带上课本去教室。
The teacher asked us to bring our textbooks to the classroom.
A textbook used for educational purposes, typically containing lessons, exercises, and reference materials for a specific subject.
这本课本涵盖了高中数学的所有重点内容。
This textbook covers all the key topics in high school mathematics.
The term is commonly used in educational contexts to refer to the primary learning material for a course.
'课本' is often used in formal educational settings to refer to the main textbook for a subject.
Composed of '课' (kè, meaning 'lesson' or 'class') and '本' (běn, meaning 'book').
In modern usage, '课本' specifically refers to the official or primary textbook for a course, distinct from supplementary materials.