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 was a pretty dumb thing to do.
做那件事真傻。
I would like to call the employment agency for a job.
我要打电话给职业介绍所代我找一份工作。
They put the food in paper bags, and take it home, or to their work place.
人们把这些食品装进纸袋，然后带回家或工作地点。