The exoplanet's atmosphere condenses out minerals such as enstatite, corundum, spinel, and wollastonite.
这颗系外行星的大气冷凝，：火辉石、刚玉、尖晶石和硅灰石。
声明：以上例句、词性分类均由互联网资源自动生成，部分未经过人工审核，其表达内容亦不代表本软件的观点；若发现问题，欢迎向我们指正。
Ruby and sapphire, for example, are actually the same mineral, called corundum, with a chemical formula of two aluminums and three oxygens.
例如，红实际上是同一种矿物，叫做刚玉，化学为Al2O3。
Raindrops made of corundum, which is the material that rubies and sapphires are made of.
由刚玉制成的雨滴，刚玉是红的材料。
Rubies are a gem-quality version of a mineral known as corundum.
红是刚玉矿物中的一种级品种。
Sapphire is also a form of corundum.
也是刚玉的一种。
What makes a ruby a ruby instead of normal corundum are impurities in the crystal from the element chromium.
使红成为红而非普通刚玉的原因，在于其晶体中掺杂的铬元素。
关注我们的微信
下载手机客户端
划词翻译
详细解释
，
：
火辉石、刚玉、尖晶石和硅灰石。
为Al2O3。
