The famous medical text Compendium of Materia Medica records more than 200 medicinal substances, and Crystal is one of them. Because of its piezoelectricity, a crystal releases a kind of light when it is under pressure. Classified by color, there are many different kinds of crystal. The color of crystal can be changed in the lab.
著名的医学文本《本草纲目》记载着超过200药用物质,水晶就是其中之一 。由于其压电性质,当受压时,水晶会释放一种光 。这种物质按照颜色分类,有许多不同种类的晶体 。水晶的颜色可以在实验室里改变 。
词语解释:
1. Compendium of Materia Medica 《本草纲目》
2. substance n. 物质
3. piezoelectricity n. 压电