Spencerite
硅碳铁锰矿
🗣️ 情景例句
Oh, that's too bad, Robbie.
啊 ，那太遗憾了， Robbie。
I'm glad our negotiation has come to a successful conclusion.
我很高兴这次洽谈圆满成功。
Why are you in here?
你为什么在这里呢？