Silicoferrite
硅铁(固溶体)
🗣️ 情景例句
I wonder whether I might ask you a question.
我是否可以问你一个问题？
What do you do for relaxation?
你做什么消遣？
If one law is changed, then people will later want to change other laws.
要是变更了一条法律，那么人们还会要变更别的法律的。