Barysilite
硅铅矿
🗣️ 情景例句
Your birthday is tomorrow, isn't it?
你明天生日 ，是吗？
I hear that you have won. Congratulations.
听说你们赢了，祝贺你们。
Don't you usually come to school by bike?
你不是常骑自行车到学校吗？