Mangnotantalite
锰钽铁矿
🗣️ 情景例句
No. I never could, either.
不会 ，我也一直都不会。
The morning to the mountain the evening to the fountain.
凡是都有一定时间。
He built a glass wall through which he could watch what went on inside.
他建造一堵玻璃墙，透过玻璃墙他能够观察里面发生的事情。