workbook
n. 练习簿，作业本；工作手册；（计算机）工作簿文件
复数 workbooks
例句
I showed her the workbook and tapes Kurt was selling.
我给她看了库尔特卖的练习册和磁带。
This is a hands-on workbook for parents and teachers, written for children from ages 3 to 12 years old, for use in the classroom or at home.
这是一本供家长和教师使用的实用练习手册，为3至12岁的儿童编写，可以在教室或家中使用。
How many sheets does a workbook have?
一个工作簿有多少工作表？
