Tools and materials involve writing brushes, ink, colored ink, rice paper and silk.

工具和材料包括书写笔，墨水，彩色墨水，宣纸和丝绸。

Wood was holding up a large diagram of a Quidditch pitch, on which were drawn many lines, arrows, and crosses in different colored inks.

伍德举起一块魁地奇球场的大型示意图，上面绘有各种颜色的线条、箭头和叉叉。

He stumbled to his feet and strode across to the trembling circle of light. The sketch was small, hardly more than a miniature in colored inks, but the artist had contrived to give the flesh tones a waxwork delicacy of texture.

他跌跌撞撞地站起来，大步走向颤抖的光环。素描很小，几乎不超过彩色墨水的缩影，但这位艺术家想方设法赋予肉色蜡像细腻的质感。