Coltan
钶钽铁矿
🗣️ 情景例句
and he's pretty sure that I can get a good job there.
他相当肯定我可以在那儿弄到一份好工作。
Don't shout, man.
别吼嘛，老兄。
We can't go to the public parks or swimming pools.
我们不能上公园或是去游泳池。