| 释义 | 
		workbook美 ['wɜrk.bʊk]  英 ['wɜː(r)k.bʊk]  n. exercise book,schoolbook,notebook,notepad,jotter 1.  | 练习册;作业本a book with exercises in it, often with spaces for students to write answers in, to help them practise what they have learnt  |  
 n.  |  |  un.  | 1. (学生用的)作业课本;工作手册;工程手册;实验手册;(机器等)说明书,操作手册  |  
 n.  | 1. a book of exercises and questions for students, usually with spaces in which answers can be written 2. a book of instructions on how to do or operate something 3. a book in which a record is kept of work done or to be done  |  
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