Copperiioxide
[化] 氧化铜
🗣️ 情景例句
We prefer to have payment in US dollars. It may be difficult for us to do so.
我们用美元付款。用人民币支付可能有些困难。
Every little makes a mickle.
积少成多。
There's no need to be worried. We're both fine.
没有必要嘛。我们两个都挺好。