Fervanite
水钒铁矿
🗣️ 情景例句
It's certainly a good idea.
这的确是个好主意。
If you look up, you can see the airplanes.
抬头看，你看到飞机了吧。
If you park your car in the wrong place, a traffic policeman will soon find it.
一旦你把汽车停错了地方，交通警很快就会发现。