Chalcocitization
辉铜矿化(作用)
🗣️ 情景例句
Oh, it must be a bill.
噢， 还不是帐单。
Thank you for taking me home.
谢谢你送我回家。
When I was a teenager, I felt that I was just young and uncertain --
我十几岁时，总感到自己年轻，有些事拿不准 --