SOIL STAIN
... oil stain 油渍 soil stain 泥污 shinny 起镜 ...
muddiness
泥污
bedraggled
Dirt is Good
环境 sludge ; 环境 Sewage sludge ; Dirt ; excess activated sludge
泥污是汉语词语,解释之一为污浊的烂泥,出自唐·杜甫 《秋雨叹》。