Chalcomenite
蓝硒铜矿
🗣️ 情景例句
Did he ever get over it?
他有忘掉这件事吗？
You make the failure complete when you stop strying.
不再努力之时，就是完全失败之日。
Carbonated drinks are acidic, and slightly safer.
碳酸饮料是酸性的，就更安全一些。