Clarkeite
水钠铀矿
🗣️ 情景例句
We urgently need to establish our own credit system.
我们期待建立我们自己的信用机制。
To youth I have but words of counsel -- work, work, work.
对青年人，我要奉劝几句话∶工作，工作，再工作。
The deepest holes of all are made for oil, and they go down to as much as 25,000 feet.
在所有洞穴中，为寻找石油所钻的洞是最深的，这些洞可深达25，000英尺。