Copper smelting
[建] 炼铜
🧩 词语组成解析
copper
['kɑpɚ]
n. 铜;铜币;紫铜色;警察;
adj. 铜制的;
vt. 镀铜;
smelting
['smeltiŋ]
n. 熔炼;
v. 熔炼，提炼（矿石）( smelt的现在分词 );
🗣️ 情景例句
No thanks. Maybe some other time.
不用了，谢谢。也许下次吧。
Vows made in storms are forgotten in calms.
激动时所立的誓，平静时会忘记的。
I think I'm in a difficult position.
我想我现在的处境困难。