Gerhardtite
铜硝石
🗣️ 情景例句
to work with Dad towards solving that problem?
和爸爸一起来解决这个问题怎么样？
I'm an American by birth.
我是土生土长的美国人。
My wife was wearing a hat that looked like a lighthouse!
我妻子戴着一顶像灯塔一样的帽子。