zoo的复数形式为zoos，例如“Are there three famous zoos in London？”的意思是这就是伦敦三家著名的动物园吗？zoo主要用作为名词，意为动物园等，比如Zoo Hypothesis：动物园假说；Zoo Coffee：动物园咖啡。

相关例句：1、He took his son Christopher to the zoo.他带儿子克里斯托弗去了动物园。

2、I thought we might go to the zoo on Saturday.我觉得周六我们可以去动物园。

3、We took the kids to the zoo as a special treat.作为特别的消遣，我们带孩子们到动物园去。