12的英语是：twelve，作名词和数词。Twelve的发音： [twelv]如：Five members voted for the proposal, twelve voted against, and three abstained.对于这项建议，五人投票赞成，十二人反对，三人弃权。

I have walked all day long and I have travelled twelve leagues.我走了一整天，我走了十二法里。

12的英语还可以表示为：dozen，表示十二个。