according to or characteristic of a casebook or textbook
Grandmother I'd Like to Fuck > Derek, did you see the saggy funbags that 60-year-old hag??? That's a textbook example of a GILF! Aw yeah!!!
an introductory textbook
an introductory textbook n
an introductory textbook to teach spelling
textbook-perfect
adj. 似教科书那样完美的；无可挑剔的；准确无误的
textbookish
a. 教科书式的, 呆板乏味的
textbooks
n. 教科书, 课本( textbook的复数形式 )
