柯林斯词典vellum /ˈvɛləm/ 1. N-UNCOUNT Vellum is strong paper of good quality for writing on. 上等皮纸 返回 vellum剑桥词典a thick , cream-coloured, very high-quality writing paper （用于书写的）仿犊皮纸，仿羊皮纸 a material used in the past for writing on or for covering a book , made from the skins of young animals , especially cows or sheep （旧时的）犊皮纸，羊皮纸 返回 vellum