名词乱画，粗糙雕刻

1. 乱画：Graecism 希腊风格 | graffito 乱画 | graft in 嫁接

2. 括除法：拱頂結構 vaulting | 括除法 graffito | 拾來的物料 found materials

3. 粗刻畫：符號 sign, signage, symbol | 粗刻畫 graffito | 粗陶 terracotta

noun

1. a rude decoration inscribed on rocks or walls

Synonym: graffiti