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 wish I could beat this summer heat.
我真受不了夏日的酷暑。
Do you have any goods to declare for customs?
你有任何物品要在海关呈报吗？
He then asked me how my brother was and whether I liked my new job in London.
接着他又问我的兄弟近来如何，问我是否喜欢伦敦的新工作。