This paper studies on the coloration mechanism of lapis lazuli ore (I) in Afghanistan, lapis lazuli pigment (I) and artificial ultramarine (III) in Dunhuang Grottoes.是什么意思_This paper studies on the coloration mechanism of lapis lazuli ore (I) in Afghanistan, lapis lazuli pigment (I) and artificial ultramarine (III) in Dunhuang Grottoes.在线翻译_英语_读音_用法_例句