Copper number
[化] 铜值
🧩 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
There are a few openings in publishing for new graduates.
出版业中几乎没有给新毕业生的空缺。
The menu is dirty, Would you bring me a clean one, please?
这菜单是脏的，请你拿个干净的给我。
That machine joins these different pieces of metal together.
那台机器把这些不同的金属片焊接起来。