| 释义 |
crystal quartz
基本例句
结晶石英
Crystal quartz is a very useful material for fabrication of finished optics.结晶石英是制造成品光学器件非常有用的材料。
Colored by iron, Amethyst is a variety of macrocrystalline Quartz that occurs in transparent pastel roses to deep purples.各种各样的紫水晶都是粗结晶石英，因内含的铁物质而变成色彩多姿，颜色由透明如水的粉红色过渡到深紫色。 |