Varvicite
软锰矿
🗣️ 情景例句
He was in trouble with the Customs.
他在海关那里有了麻烦。
A lion at home, a mouse abroad.
在家凶如狮，在外却如鼠。
I think you probably know China has adopted a flexible policy in her foreign trade.
我想你也许已经了解到中国在对外贸易中采取了灵活的政策。