Ferrojacobsite
铁锰尖晶石
🗣️ 情景例句
The school was attended almost entirely by local children.
上这所学校念书的几乎全是当地的孩子。
I'm tired of going to school day after day.
我厌倦每天上学。
In that case, we wouldn't have it in stock.
如果是这样，我们库存不会有。