Ferroxdure
永久磁铁(材料), 钡铁氧体(商品名)
🗣️ 情景例句
Nope.
不
There are four quarters in every dollar.
每美元有四个二角五分。
When he travelled across India, he travelled hard-seat, unreserved, together with peasants and other ordinary people.
当他穿越印度旅行时，他与农民及其他普通人一起乘坐"没有被预定的硬座。