Ferroferrite
纯铁, 纯铁体
🗣️ 情景例句
Oh! Good afternoon. Mr. Wilson, I'm sorry, but he's not in. He's gone out on business.
哦，您好！威尔逊先生。很抱歉，他不在家，他出差了。
She's a sweet woman, don't you think so?
她是可爱的女人，你不觉得吗？
He can hardly speak.
他几乎说不出话来。