Columbite
[建] 铌铁矿
🗣️ 情景例句
Hello, Malcolm.
哈喽， Malcolm。
I couldn't help it.
我没有办法。
I must go to the grocer's.We haven't got much tea or coffee, and we haven't got any sugar or jam.
我得去一下食品店。我们的茶叶和咖啡不多了，糖和果酱也没有了。