Copper refining
[建] 铜(之)精炼
🧩 词语组成解析
copper
['kɑpɚ]
n. 铜;铜币;紫铜色;警察;
adj. 铜制的;
vt. 镀铜;
[计] 精炼, 提纯\\n[化] 精炼; 精制; 提炼; 匀料; 匀浆
🗣️ 情景例句
I don't like charades.
我不喜欢哑谜。
Bet you can't catch me.
打赌你无法捉到我。
She was in the city to visit her daughter.
她住在农村。