Ferrocarbo
碳化硅(炼钢增硅脱氧用)
🗣️ 情景例句
I remember exactly.
我记得很清楚。
This material feel soft, How does that material feel?
这种布料感觉起来很软，那块料子如何呢？
and the railway of the future may well be the 'hovertrain',
未来的火车或许能成为气垫火车，