Ject对"hippo" 的正确翻译：n. 河马。发音：['hipəu]。例句参考：Let's see? There're hippos, tigers, lions, ostriches, peacocks, camels, donkeys, wolves, foxes, deer... - 让我看看，有河马，老虎，狮子，驼鸟，孔雀，骆驼，驴，狼，狐狸，鹿。。。；