Sphaerocobaltite
菱钴矿
🗣️ 情景例句
Make it a double!
加倍。
I will be going back to Hong Kong at this time on Monday.
我将在星期一这个时候回到香港。
You must keep it a secret. You mustn't tell anybody else.
你必须保密，谁都不能讲。