Sendust
铝硅铁粉, 山达斯特合金, 铁硅铝磁合金
🗣️ 情景例句
He has a strong will.
他意志坚强。
Every man has the defects of his qualities.
一个人的好品质上也有不足之处。
He is heavily insured against death.
他给自己投了巨额的人身保险。