Copper dioxide
[建] 过氧化铜
🧩 词语组成解析
copper
['kɑpɚ]
n. 铜;铜币;紫铜色;警察;
adj. 铜制的;
vt. 镀铜;
🗣️ 情景例句
In those days, when they made quilts.
那个时代 ，人们做被罩时，
I've read about it,but I'd like to know more about it.
我已经知道了一点儿，但我还想多了解一些。
How many of you are making the trip?
你们有多少人去旅行？