Brackebuschite
锰铁钒铅矿
🗣️ 情景例句
That took place right after the First World War, didn't it?
它就发生在第一次世界大战之后，是吗？
There was a big choice of shops in the small town.
这个小镇上有好多商店可供选择。
But I don't understand.
这我就不明白了。