Melaconite
[矿]土黑铜矿
🗣️ 情景例句
A vice-presidency
副总裁
Excuse me, I'd like to ask you a question.
对不起，我可以问个问题吗？
It was very dark, so they turned on a torch.
饭厅很暗，于是他们打开了手电筒。