Siegenite
块硫镍钴矿
🗣️ 情景例句
You do. You do. There's a book here.
当然 ，当然。书要出版。
I really should be on my way.
我真的该告辞了。
It obviously could not tell the difference between Indian music and jazz!
显然，它分辨不出印度音乐和爵士乐！