Copperiioxide
[化] 氧化铜
🗣️ 情景例句
As I told you before, my door is always open.
正如我以前跟你说的一样，我们的门永远都是敞开的。
I don't want to see any more of this TV show.
我不想再看这个电视节目了。
But how did you get here?
不过你是怎么来的？