Copperiioxide
[化] 氧化铜
🗣️ 情景例句
I don't want to sound like a busybody, but didn't you plan to go abroad?
我并不想瞎打听，可你原来不是打算出国吗？
The weather is nice today.
今天天气很好。
Hmm! I think I can mend it. But I want a knife. Do you have a knife?
我想我可以，但需要一个小刀，你有吗？