Blue and white ceramics were made by applying cobalt paint to the surface of an unfired ceramic, then applying clear glace to the piece, and firing it at a high temperature.是什么意思_Blue and white ceramics were made by applying cobalt paint to the surface of an unfired ceramic, then applying clear glace to the piece, and firing it at a high temperature.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句