Modderite
莫砷钴矿
🗣️ 情景例句
This is Susan with Jiaotong University student. May I have your name, sir?
我是交通大学的在校生苏珊，请问您贵姓？
Thank you for sending it to me.
谢谢你把它送给我。
That's all. Any other questions?
就这些。还有什么问题吗？