1、
Ingrain paper: Paper finished with a mottle surface used for book covers, etc.
斑纹纸：加工造成有斑点花纹的纸，作书皮等用。
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Helen Hanff : I'm afraid to handle such soft vellum and heavy cream-colored pages.
海伦汉芙: 一页一页乳白色的纸和那麽柔软的上等书皮,让我拿在手上都有点害怕.
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Tongue cover: Loose leaf binding in which binding posts are concealed by the cover.
和合书皮: 把装订螺柱隐藏于封面内的活页装书皮.
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