A material made of cellulose pulp, derived mainly from wood, rags, and certain grasses, processed into flexible sheets or rolls by deposit from an aqueous suspension, and used chiefly for writing, printing, drawing, wrapping, and covering walls.

• 纸通常用植物纤维，有时也用矿物纤维或合成纤维的水悬浮液流入细网而粘结制成的材料，主要用来书写、印刷、绘画、包装或覆盖墙壁