Copper sulfide
[机] 硫化铜
🧩 词语组成解析
copper
['kɑpɚ]
n. 铜;铜币;紫铜色;警察;
adj. 铜制的;
vt. 镀铜;
n. 硫化物\\n[化] 硫化物
🗣️ 情景例句
It's called
它的题目是
There are spots in (or on) the sum.
人孰无过。
I think I'm in a difficult position.
我想我现在的处境困难。