Falkenhaynite
辉锑铜矿
🗣️ 情景例句
What are you up to?
你在忙些什么？
I'm flying home on Sunday afternoon.
我星期四下午乘飞机回家。
I turned to look at the children, but there weren't any in sight: they had all run away! The man laughed when he realized what had happened.
我转过头去看那些孩子，但一个也不见，全都跑了！当那个人明白了发生的事情时，笑了起来。