As I took the brush away, I dropped some paint onto the paper.

我拿起画笔时，一些颜料滴到纸上了。

youdao

Among the high-quality (质量) treasures, the writing brush produced in Huzhou, the ink stick produced in Huizhou, the xuan paper made in Xuancheng and the ink stone made in Duanxi are the best known.

在各种高质量瑰宝中，湖州产的毛笔、徽州产的墨、宣城产的宣纸和端溪产的砚石最为出名。

youdao

These paintings were done with oil on paper using a "Dry Brush" technique.

这些作品是用油彩和“干刷”技法在纸上画出来的。

youdao

Sunlight shines through the paper in the sliding doors, casting latticework shadows on the tatami mat floor in the room where Hiroko Harada arranges the tools of her art: paper, brush, ink and inkstone.

BBC: The art of Japan

The challenge of sho is to penetrate the heart and mind of the viewer, somewhat in the manner of radioactivity, by creating shapes on a sheet of paper with a single brush.

WSJ: The Vision and Calligraphy of Aoyama San'u | Tokyo National Museum | Transformational Characters | By Michael Judge