Ferromanganic
亚铁锰(根)(指含有二价铁与三价锰)
🗣️ 情景例句
Hi, Michelle. It's Daddy.
嗨 Michelle 是爸爸。
How long will you remain here?
你将会在这里逗留多久？
I say, shall we go downtown this evening?
喂，今晚我们上街怎么样？