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
Good idea.
好主意。
The truest politeness comes from sincerity.
真正的殷勤出于真诚。
I really enjoyed myself.
我玩得很开心。