Redruthite
[化] 辉铜矿
🗣️ 情景例句
Okay. Thank you.
好的，谢谢。
There'll be time for questions at the end.
最后会有时间发问的。
What will you do if you win a lot of money?
要是你赢了许多钱，你打算做什么呢？