work.book
n.（名词）A booklet containing problems and exercises that a student may work directly on the pages.练习册：一本包括问题和练习的小册子，学生可直接做在上面A manual containing operating instructions, as for an appliance or a machine.工作手册：一本包括操作指南手册，如用于器具或机器A book in which a record is kept of work proposed or accomplished.工作记事本：记录工作计划和已完成工作的笔记本
