Ferroferrite
纯铁, 纯铁体
🗣️ 情景例句
You're a real friend!
你是个真正的朋友！
Don't give up.
不要放弃。
but he was in such a bedraggled condition than an assistant refused to serve him.
但店员见他浑身泥水的样子，竟不肯接待他。