Manganoferrogehnite
锰铁锌尖晶石
🗣️ 情景例句
Sit down, Robbie. Let's get to work.
坐下来 ，Robbie， 让我们开始做功课吧。
He hasn't answered my letter yet.
他还没有给我回信。
Thank you. Goodbye!
谢谢您。再见！