The surface must be well prepared before you start to paint.
一定要把表面打磨好再开始粉刷。
《牛津词典》
2
It was known that ochre-rock with red or yellow pigments-was used for paint even that far back in history. But there was scant evidence for how it was prepared and handled.
众所周知,拥有红色或黄色色素的赭石岩一直被广泛运用于绘画中,但却少有证据显示它是如何制作并运用的。
3
Apply the paint to the prepared wood and allow it to dry.