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
Can I borrow your notes to study for the exams?
快考试了，我能借你的笔记看看吗？
I could not catch your question. Could you repeat it, please?
我没听清楚你们的问题，你能重复一次吗？
There is a car race near our town every year.
在我们镇子附近每年都有一场汽车比赛。