乱画,粗糙雕刻
Graffito \Graf*fi"to\, n. [It., fr. graffio a scratching.] (Art) Production of decorative designs by scratching them through a surface of layer plaster, glazing, etc., revealing a different-colored ground; also, pottery or ware so decorated; -- chiefly used attributively.
graffito n : a rude decoration inscribed on rocks or walls [syn: {graffiti}] [also: {graffiti} (pl)]