Copperoxide
[化] 氧化铜
🗣️ 情景例句
It's not finished yet.
现在还没有完成。
What lousy weather!
多糟的天气!
No matter how hard I tried, it was impossible to fill this beautiful pen with ink and to this day it has never written a single world!
然而不管我如何摆弄，那枝漂亮的钢笔就是吸不进墨水来。直到今天，那枝笔连一个字也没写过！