Stop stirring and bring the mixture to a boil. To prevent sugar crystals from forming, brush down the sides of the pan with the pastrybrush dipped in water.
停止搅拌，将混合物煮开。为了防止糖形成结晶，边煮边用先前浸在水里的软毛刷将锅周边的糖往下刷。
2
Brush beaten egg over the pastry.
用刷子把打匀的鸡蛋抹在油酥面团上。
《牛津词典》
3
Take a sheet of filo pastry and brush it with melted butter.