Johnstrupite
氟硅铈矿
🗣️ 情景例句
What classes are mandatory for your major?
你的专业什么课是必修的？
The news caused great excitement.
这消息令人极为兴奋。
I've got some personal affairs that I have to see to, but I've also got some time to visit some relatives.
我还有些个人的事得去料理一下，但我也得抽些时间去看看一些亲戚。