Barytin
[医] 重晶石(不纯硫酸钡的矿石)
🗣️ 情景例句
So, what would you like to do tonight?
你今晚想干些什么？
He speaks English fluently.
他讲英语很流利。
Do you remember when the three of us went on a picnic?
我们三个人一起搞过野餐，你还记得吗？