Petscheckite
铌钽铁铀矿
🗣️ 情景例句
There's lots of time.
时间多得很。
When could we typically expect delivery?
我们希望常规的发货时间是什么时候呢？
Later, the Crystal Palace was moved to South London.
后来，“水晶宫”被移到了伦敦南部。