Cách sử dụng
The word 'textbook' is used to describe a book that is used as a guide for learning a subject like math, science or language. It is usually used in schools and colleges to help students understand the material they are studying. As an English learner, you might use a textbook to improve your language skills. Textbooks can include exercises, quizzes, and explanations of grammar and vocabulary. You can also find textbooks for informal learning, such as learning to cook or to play a sport. When you see the word 'textbook', you can assume it is a book that is used to teach something.