Stibiocolumbite
铌锑矿
🗣️ 情景例句
I think it's about time we got going.
我想差不多是告辞的时候了。
How can you do such a thing?
你怎么能做这种事情呢？
Let's meet outside the park gate.
咱们在公园的大门外碰头吧。