Iid
独立同分布[的]
🗣️ 情景例句
Well, here's a twenty.
嗯 ，这是二十美元。
I'd like to reconfirm my flight from london to tokyo.
我要再确认一下我从伦敦到东京的班机。
'I found this outside this gentleman's room,' she said.
“这是我在这位先生的房门外捡到的，”她说。