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
Hi, Alexandra.
嗨，Alexandra。
A straw shows which way the wind blows.
一叶便知秋。
'At ten to eight.I bought a paper and waited for the train.'
“7点50分。我买了张报纸，等着车来。”