Phosphoferrite
铁磷锰矿
🗣️ 情景例句
Don't be upset, Malcolm.
别懊恼了 Malcolm。
I feel blue at the news.
我听到这消息而闷闷不乐。
They were still neck and neck! But the other runners were not far behind.
他们仍在肩并肩地跑！但是，其他运动员也距离他们不远。