Ferromanganous
亚铁亚锰(根)(指兼含二价铁与二价锰)
🗣️ 情景例句
Yes.
有。
The outdoor concert was called off due to the weather.
露天音乐会由于天气原因被取消。
If we could stay as vigorous as we are at twelve,
假如我们能保持12岁时的旺盛生命力，