hippo复数是什么

1、Finally, the hippo made up his mind that he would come out of the river, climb the tree, and start

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1、Finally, the hippo made up his mind that he would come out of the river, climb the tree, and start singing.

最后,河马下定决心要从河里出来,爬上树,开始唱歌。

2、The songs of the bird filled the hippo with so much envythat he couldn't think of anything else.

鸟儿的歌声使河马十分嫉妒，以至于他脑子里一片空白