Schalfnerite
铜钒铅锌矿
🗣️ 情景例句
Columbia? Why Columbia?
Columbia？为什么要去Columbia？
I won't embarrass you in front of your friends.
我不会在你的朋友面前使你丢丑。
He was very healthy and happy, but he could not look after himself.
他很健康，非常欢快。但不能照料自己。