Copper sweetening
[机] 铜脱硫法
🧩 词语组成解析
copper
['kɑpɚ]
n. 铜;铜币;紫铜色;警察;
adj. 铜制的;
vt. 镀铜;
sweetening
[['swi:təniŋ]]
n. 弄甜, 变甜, 甜味剂
🗣️ 情景例句
You shouldn't have.
不该这样破费的。
Don't try judge young people by their appearance.
不要从外表去判断年轻人。
Yes, I can. Where are they?
是的，我能听到。它们在哪儿？