So studying Tempera is significant to develop the modern painting material.研究丹配拉绘画,对现代绘画材料的拓宽有着极为重要的意义.P > Tempera was used to paint frescos hundreds of years ago.数百年前蛋彩画颜料被用来画壁画.Certain pigment colours were painted on t...
Certain pigment colours were painted on to dry plaster using tempera (where egg yolk is used to fix the pigment).使用蛋彩画颜料(内含可以定色的蛋黄)在干石膏上绘出了特定颜色。So studying Tempera is significant to develop the modern painting material.研...
可以将二氧化碳液化,以便和其他成分分开。You can liquefy the carbon dioxide to separate it from the other constituents.问题是沙质土壤的液化作用.The problem was one of liquefaction of the sandy soil.由液化空气所取得的氧其纯度通常约为99.5%.Oxygen obtained from liquefied a...
Lucilla often asks her sisters to retell the story.露西拉经常要姐姐们把这个故事反复讲给她听。A feverish child refuses to eat and asks only for cold drinks.发烧的孩子不愿吃东西,只会要冷饮。I had a letter from Jane. She asks after you.我收到了一封简写来的信。她向你问好。...