n.彩色蜡笔或粉笔
vt.& vi.用彩色蜡笔[粉笔]画
The mother sponged crayon marks off.
母亲用湿海绵擦去了痕迹.
He coloured the picture with crayon.
他用蜡笔给画上色.
He coloured the picture with a yellow crayon.
他用黄蜡笔给画着色.