vellum

US /ˈvel.əm/
UK /ˈvel.əm/
"vellum" picture
1.

羊皮纸, 仿羊皮纸

prepared animal skin, typically calfskin, used as a material for writing, printing, or binding books, noted for its durability and smooth surface

:
The ancient manuscript was written on vellum.
这份古老的手稿写在羊皮纸上。
She admired the intricate illustrations on the vellum pages.
她欣赏着羊皮纸页面上错综复杂的插图。
2.

仿羊皮纸, 描图纸

a high-quality, smooth, and slightly translucent paper, often used for technical drawings or special documents, designed to imitate the appearance of animal vellum

:
The architect printed the blueprints on heavy vellum paper.
建筑师将蓝图打印在厚重的羊皮纸上。
She used a fine-tipped pen to draw on the smooth surface of the vellum.
她用一支细尖笔在羊皮纸的光滑表面上绘画。