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。

第十二是twelfth.