Mafite
镁铁质矿物
🗣️ 情景例句
So far so good.
到目前为止一切都好。
The walls are three inches thick.
这墙3英寸厚。
Frank could hardly conceal his excitement, for he knew that he had made a real discovery.
弗兰克几乎无法掩饰自己兴奋的心情，因为他明白自己发现了一件珍品。