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, you needn't do that.
不行呀，你不必这样。
After dinner sit awhile, after supper walk a mile.
正餐以后，休息片刻；晚餐以后，步行一哩。
OK. Thank you. Goodbye!
好吧，谢谢你。再见！