Chalcolite
铜铀云母
🗣️ 情景例句
Let's congratulate ourselves that this transaction has been made.
让我们祝贺这次交易圆满成功。
I'll let you know if anything comes up.
如果发生了什么事，我会让你知道。
An advertisement which begins with the magic word FREE can rarely go wrong.
凡是用“免费”这个神奇的词开头的广告很少会失败的。