Cuproxide
铜氧矿
🗣️ 情景例句
... Oh, oh, I see.... Oh ... certainly.
……嗯 嗯 我知道了。……嗯……一定。
Knowledge without practice makes but half an artist.
只有知识而无实践，只能造就半瓢水的艺术家。
It's time to tell her the truth.
是该告诉她真相的时候了。