古代一种用来装茶叶的纸袋，用两层又白又厚的剡藤纸做成。用来贮放烤好的茶，使香气不散失。
一种囊状的呼吸器官，见于蝎子和蜘蛛等蜘蛛类节肢动物，由象书的纸页一们平行排列着的膜状重叠物组成。
A sacculate respiratory organ found in some arachnids, such as scorpions and spiders, consisting of several parallel membranous folds arranged like the pages in a book.
采用天然高分子物质壳聚糖、 海藻酸钠为壁材，无色染料油溶液为芯材，通过复合凝聚法制备纸用微囊。
The microcapsule used for paper was prepared using nature macromolecule material sodium alginate and chitosan as wall and a colorless dye oil as core by complex-coacervation.
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