" Casein, or "cheese painting, "is a medium in which pigments are tempered with the gluey curd of cheese or milk precipitate. "
酪蛋白颜料画的颜料是把颜料与奶酪的胶质凝乳，或牛奶沉淀物混合…
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A process of painting in whelloch pigments are mixed with water and a glue-size or casein binder, used for flat wall decoration or scenic and poster painting.