Related topics: Newspapers, printing, publishing
vel·lum /ˈveləm/ noun [uncountableU] TCNTIa material used for covering books or writing on, made from the skin of young cows, sheep, or goats 羊皮纸,犊皮纸〔用作书皮或用于书写〕 medieval maps inscribed on vellum 绘于羊皮纸上的中世纪地图