Cordylite
氟碳酸鋇鈰礦
??? 情景例句
It must be interesting for you.
你對那一定很關心。
One of the real pluses of this product is that it is of very high quality and of compact size.
這種產品的真正優點之一就是高質量和小體積。
I understand you want to increase your order.
我知道你想增加訂購量。