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a workbook for [subject]
workbook 是可数名词，通常指学生用的练习册，for 后接学科或水平。
She bought a workbook for advanced mathematics.
她买了一本高等数学练习册。
练习册
先理解核心含义，再看它在真实句子里的用法。
练习册
a student's book containing exercises and blank space for writing answers
She bought a workbook for advanced mathematics.
她买了一本高等数学练习册。
学生用的练习册,内含问题和练习,可填写答案和解题过程。
A book, used by a student, in which answers and workings may be entered besides questions and exercises.
学生用书或小册子,包含问题和解答空间
a student's book or booklet containing problems with spaces for solving them
企业使用的记录待办或已完成工作的簿册。
A book, used by a business, containing a record of work to be done, or work completed.
存储在同一文件中的电子表格集合。
A collection of spreadsheets stored in the same file.
The teacher asked us to complete the first three pages of the workbook for homework.
老师让我们完成练习册前三页作为家庭作业。
I left my workbook on the bus, so I had to buy a new one.
我把练习册落在公交车上了，所以不得不买一本新的。
She uses a grammar workbook to practice English every evening.
她每天晚上用一本语法练习册练习英语。
workbook 是可数名词，通常指学生用的练习册，for 后接学科或水平。
She bought a workbook for advanced mathematics.
她买了一本高等数学练习册。
work through 表示从头到尾完成，强调过程。
He worked through the workbook during the holiday.
假期里他做完了这本练习册。
in the workbook 可在名词后作定语，表示“在练习册里的”。
The exercises in the workbook helped me a lot.
练习册里的练习对我帮助很大。
Not this
I finished workbook.
Use this
I finished the workbook.
workbook是可数名词，单数前必须有冠词（a/an/the）。这里特指某本练习册，所以用the；汉语没有冠词，学习者容易漏掉。
Not this
She has two workbook.
Use this
She has two workbooks.
workbook是可数名词，在two等复数数量词后必须加-s变为复数；汉语名词没有复数形式，所以容易漏掉词尾-s。
Not this
I have a lot of workbook to do.
Use this
I have a lot of homework to do.
workbook指实体练习册，而homework是“家庭作业”，是不可数名词。这里要表达作业多，不是练习册多，所以用homework。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
练习册上的习题
The teacher assigned the workbook exercises for homework.
老师把练习册上的习题布置为家庭作业。
完成练习册
Students must complete the workbook before the final exam.
学生必须在期末考试前完成练习册。
练习册的页面
Turn to workbook pages 12 and 13 for today's lesson.
翻到练习册第12页和第13页，开始今天的课。
数学练习册
He left his math workbook on the bus yesterday.
他昨天把数学练习册落在公交车上了。
练习册答案
The workbook answer key is included at the end of the book.
练习册答案附在书的末尾。
学生练习册
Each student received a student workbook at the start of the course.
每名学生在课程开始时都拿到了一本学生练习册。
Use workbook naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
记忆联想：workbook = work（做）+ book（书），做练习用的书就是练习册。想象学生埋头写题的样子。
语域：neutral 常见场景：课堂教学、课后作业、教材配套说明 该词表示“练习册”时通常用于教育场景，多出现在教材、课程说明或作业要求中，语气中性。
没有常见英文词与 workbook（/ˈwɜːrk.bʊk/）真正押韵：严式押韵要求主重读元音及之后的所有音相同，而 workbook 的主重读元音是 /ɜːr/。列出的词都拼写和尾音共享 -book /bʊk/，但主重读元音分别是 /ɛ/、/oʊ/、/ʊ/、/ɪ/、/oʊ/、/ʊ/，只是有用的形近/尾音对照词，不是押韵。
Dictionary facts from ECDICT, WIKTIONARY.