Calcimangite
锰方解石
🗣️ 情景例句
Well, how was everybody's day today?
喂 ，今天各位过得怎么样？
Tell me, is it a boy?
喂，你是男孩吗？
He sent the journalist two more faxes, but received no reply.
他给记者先后发去两份传真，但对方毫无反应。