兔子的复数形式为"rabbits"。这个词来源于中世纪拉丁语"rabbit"，意为"兔子"。例句：

The farmer has a lot of rabbits in his farm. (农夫在他的农场里有很多兔子。)

I saw two rabbits running in the field. (我看到两只兔子在田野里奔跑。)

希望这些信息对您有帮助！