Copperiioxide
[化] 氧化铜
🗣️ 情景例句
She's never been happier.
她从来没有像现在这样快乐过。
No. Can't you see that rocket is almost falling down.
不。你不知道火箭快要倒下来了吗？
I tried to wake up my wife by ringing the doorbell,
我按响了门铃，试图唤醒我的妻子，