Copperiioxide
[化] 氧化铜
🗣️ 情景例句
Yes, Michigan needs a touchdown.
是啊 Michigan队需要一次达阵得分。
Being the newest member of this committee is really difficult.
能成为这个集体的新成员是很难的。
Excuse me! Are you Mr. Green?
请问，您是格林先生吗？