复数： footballs

To win a football game of course .

当然是赢一场足球赛。

But should american football be part of the games ?

但美式橄榄球是否有理由成为奥运赛事之一？

I played football with him , and we became friends .

我和他一起踢过球，然后成为了朋友。

I am happy watching football .

我正兴致勃勃的看足球。

It is like a football team .

这就像一只足球队。