Cuo
abbr. 氧化铜（cupric oxide）
🗣️ 情景例句
My little horse must think it queer
我的小马一定感到奇怪
He is pinned down by the demonstrators.
他被示威的队伍给钉住了。
It must have been about two in the morning when I returned home.
我回到家时，肯定已是凌晨两点左右了。