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
Yeah, I know. The biggest.
是的， 我知道。最大的。
I will go out with him is he asks me.
我会和他出去，假如他要求我的话。
How are you getting to the airport? Is anybody seeing you off?
你打算怎样去机场？有人送你吗？