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
What's the point of your argument?
你主张的论点是什么？
Which do you prefer, fishing or mountain-climbing?
钓鱼和登山，你更喜欢哪一个？
Excuse me. Is there a bookshop near here?
请问，附近有书店吗？