Petscheckite
铌钽铁铀矿
🗣️ 情景例句
I'm so hungry, I could eat a horse.
我饿得能吃下一匹马！
Don't be so stubborn!
你还嘴硬！
There are twenty-four boys, and twenty-two girls.
二十四个男生，二十二个女生。