Copperoxide
[化] 氧化铜
🗣️ 情景例句
What's the tuition for one year of college?
大学一年的学费是多少？
Hard words break no bones, fine words butter no parsnips.
粗话无害，甘言无益。
It blesses those who give it, and those who receive it.
它不但赐福施予的人，而且赐福于受施的人。