Ferroxdure
永久磁铁(材料), 钡铁氧体(商品名)
🗣️ 情景例句
Yes. I will.
好的。
Who is the head of this government?
谁是这政府的首长？
Later, for its personal safety and practical needs,
慢慢地，由于自身安全和实际需要，