Histrixite
硫铋锑铜矿
🗣️ 情景例句
Practice tenses as much as possible.
操练各种时态。
And to stay ahead of the competition is to openly and freely exchange our opinions.
处于竞争领先地位的方法就是公开、自由交换我们的想法
No, we can ship in lots of any size.
没有，任何数量都可以出货。