练习册；练习手册
先理解核心含义，再看它在真实句子里的用法。
练习册；练习手册；练习册；练习手册
a book containing exercises for practice, often used by students
She bought a practice book for her math exam.
她为数学考试买了一本练习册。
练习册；练习手册
a book containing exercises for practice, often used by students
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Dictionary facts from AI_SUPPLEMENT.