Mendeleyevite
钙铌钛铀矿
🗣️ 情景例句
We just got here.
我们才刚刚到这儿。
What's the capital of your country?
贵国首都是哪儿？
He felt free to talk about his failures or his difficulties.
他可以随便谈论自己的失败或困境。