Manganosiderite
锰菱铁矿
🗣️ 情景例句
It's a pleasure to meet you.
认识你是我的荣幸。
I think a joint venture would be beneficial to us both.
我认为合资经营对双方都是有利的。
Meanwhile, his unit was lost and all records of him had been destroyed.
与此同时，他所在部队被击溃，他的所有档案材料全部毁于战火。