Staszicite
砷钙铜锌矿
🗣️ 情景例句
I'm afraid not. We don't generally accept a letter of credit.
恐怕不行，我们一般不采用信用卡。
Last month was December,wasn't it ?
上个月是十二月，对不对？
What day is today?
今天星期几？