Clarkeite
水钠铀矿
🗣️ 情景例句
In my country, we get a couple of days off for Easter.
在我国，我们在复活节的时候有好几天的假期。
You really don't have anything to apologize for.
你真的没什么可道歉的。
We also want to teach all the children to perform.
我们还想教会所有的儿童演奏。