Magnoferrite
鎂鐵礦
??? 情景例句
Which advertisement company did you serve?
你在哪家廣告公司做事？
Oh, Mr. Student.
哦，老兄，你是學(xué)生吧。
Right. They're running and jumping all the time.
對(duì)，他們老是跑啊跳的。