練習冊
参考文献
- . Merriam-Webster Dictionary. [2011-05-16]. (原始内容存档于2020-08-13).
4. a student's book of problems to be solved directly on the pages
- . Merriam-Webster's Word Central. [2011-05-16]. (原始内容存档于2019-04-09).
a book of problems or practice examples for a student to use as part of a course of study
- . Oxford dictionaries. [2011-05-16].
a student's book containing instruction and exercises relating to a particular subject.
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