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appendix; supplement; annex; extra (of a newspaper or magazine)
雑誌の附録に実用的な手帳がついていた。
A practical planner was included as a supplement to the magazine.
論文の附録に詳細なデータを掲載した。
Detailed data was included in the appendix of the paper.
教科書の附録にある用語集が試験対策に役立つ。
The glossary in the textbook appendix is useful for exam preparation.