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
It's so good to have you home again ...
真高兴 ，你又回家了……
An endly man rented the big white house.
一老人租用那大白房子。
You must come to see it. And I owe you some money.
你一定要来看呀。我还欠你的钱呢。