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
It's nice to meet you.
很高兴见到你 。
He who makes himself a dove is eaten by the hawk.
弱肉强食。
Letter
3第三封信