宣纸

例句：

1. 1. The calligrapher used a piece of Xuan paper to write the characters on the wall.
   书法家用一块宣纸在墙上书写文字。
2. 2. The artist carefully selected Xuan paper for his painting.
   艺术家精心挑选了宣纸来绘制他的画作。
3. 3. The scholar spent hours studying on Xuan paper, absorbing the wisdom of ancient texts.
   学者花费数小时研究宣纸，吸收古代文献的智慧。