For example, ultramarine, made by the grinding of lapis lazuli, and red pigments made of sulphur and silver, were admired for their cost.是什么意思_For example, ultramarine, made by the grinding of lapis lazuli, and red pigments made of sulphur and silver, were admired for their cost.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句