Ferromanganic
亚铁锰(根)(指含有二价铁与三价锰)
🗣️ 情景例句
I've been busy all day.
我今天一整天都非常忙。
I didn't read the whole paper, front page.
我没有看到报纸的全部，我只是大概看了头版。
They mustn't look.
他们不准看。