Pickeringite
镁明矾
🗣️ 情景例句
This has to be the most scenic spot in the country, if not the world.
这儿就算不能称之为世界上最优美的景点，也可以称得上是这个国家最美的地方了。
All products have to pass strict inspection before they go out.
所有产品出厂前必须要经过严格检查。
My friend, Patrick, has always been a fanatical opponent of Mr.Lane's Radical Progressive Party.
我的朋友帕特里克一直是莱恩先生的激进党的强烈反对者。