Ferroxdure
永久磁鐵(材料), 鋇鐵氧體(商品名)
??? 情景例句
Oh, thank you! Thank you!
哦， 謝謝， 謝謝 。
That which was bitter to endure may be sweet to remember.
苦楚往日難忍受，記起也許甜心頭。
This is my friend, Ann. Ann, this is Uncle Wang.
這是我的朋友安。安，這是王叔叔。