Cuo
abbr. 氧化铜（cupric oxide）
🗣️ 情景例句
Jack Wang? No, I don't think I know him.
杰克王？我想我不认识。
His classical music is so quiet. I can't even hear it!
他的古典音乐幽静得听不见。
Take it easy, you will be all right in a couple of days.
别担心，你两天之内就会痊愈的。