Oxo
[化] 氧代; (在无机化合物中通常指)氧合
🗣️ 情景例句
The scam they were running left many people penniless.
他们的这场骗局让人们分文不剩。
I'd like a refund on this ticket.
我要退这张票。
How old are you?
你多大了？