vellumn. 上等皮紙、皮紙文書、牛皮紙a. 牛皮紙的學術名詞牛皮紙：高分子材料肌膜：畜牧學假牛皮紙棉織物：紡織科技透明描圖布：紡織科技精製皮紙：資訊英文釋義a heavy creamy-colored paper resembling parchmentfine parchment prepared from the skin of a young animal e.g. a calf or lamb