textbook
US
UK textbook, also UK: text book, text-book n: (book for study) (书籍：教材)
SC 课本，教科书 kè běn，jiào kē shū
TC 課本，教科書
TC 課本，教科書
My physics textbooks cost over £100.
textbook, also UK: text-book n as adj: informal (typical, characteristic)
SC 典型的 diǎn xíng de
SC 可做典范的 diǎn xíng de ，kě zuò diǎn fàn de
The doctor said I had a textbook case of shingles.
Irena is a great tennis player; her serve is always textbook.