Ultramafite
超镁铁岩; 超铁镁岩
🗣️ 情景例句
Building a city can be a disaster for the environment.
新建一个城市对于环境来说可能是一场灾难。
He who purposes to be an author, should first be a student.
想当作家，相当学生。
What do you think?
你认为怎么样？