Ferrimanganic
铁锰(根)(指兼含三价铁及三价锰)
🗣️ 情景例句
Are you sure about that?
你真的这么想吗？
How long will you be out?
你将出去多久？
We talked and wondered about the people who had lived here before.
我们谈论并且很好奇以前住在这里的人们。