Hollandite
錳鋇礦; 堿硬錳礦
??? 情景例句
You're Arnold Franklin!
你是Arnold Franklin！
A strange thing happened to me this morning
一件奇怪的事情今早發生了在我身上。
The meeting was scheduled for two hours, but it is not over yet.
會議原定了兩個小時，不過現在還沒有結束。