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'd like that, but ...
我很想去， 但是……
Go that way for two blocks,then turn left.
用那种方法为镞走2街区然后向左拐。
Are you free later today, Mr. Green?
您今天晚些时候有空吗，格林先生？