Ferroxdure
永久磁铁(材料), 钡铁氧体(商品名)
🗣️ 情景例句
You win, and I cook dinner for the entire family.
你赢了 我给全家做晚餐。
He is studying the ecology of ameba.
他在研究阿米巴
'I'm hanging this picture on the wall,' I answered.
我正将图片挂到墙上去呢，我回答