柯林斯词典exercise book (exercise books) 1. N-COUNT An exercise book is a book with printed exercises for students to complete. 练习册 返回 exercise book剑桥词典UK a small book with blank (= empty ) pages that students use to write their work in 空白练习本 US a book containing printed exercises （印有各种题目的）练习册 返回 exercise book