1.There are few parallels between the American football and European football.

美式榄球和欧洲足球没有什么相似之处。

2.Coaches in American football can challenge calls with video replay.

美式榄球主教练则视频回放提出挑战。

3.American football is played September through January.

美式榄球比赛从9月一直持续到1月。

4.Rugby, water polo, no American football.

榄球，水球，就是没有美式足球。

5.Basketball, American football, soccer or hockey?

篮球、美式榄球、足球还是曲棍球？

6.American football in Russia has a rocky history.

美式足球在俄罗斯有一段坎坷的历史。

7.It's a contact sport like American football.

是一项像美式足球一样的接触性运动。

8.International Space Station, Bingham Canyon Mine, an American football field, or the Spruce Goose.

空间站，宾汉峡谷矿田，美足球场还是云杉鹅号太空船？

9.Who is known as the father of American football?

谁被称为美式榄球之父？

10.Here are three American football fields side by side.

这里有三个并排的美式榄球球场。

11.I don't really know that much about American football.

我不是太了解榄球。

12.In the U.S., a favorite term comes from American football.

在美，最受欢迎的一个词来自美式足球。

13.Others are more elongated, shaped like cigars or American footballs.

其他的则更细长，形状像雪茄或榄球。

14.The Super Bowl is the championship game for professional American football.

超级杯美式足球大赛是美职业美式足球的冠军赛。

15.The Super Bowl is the championship game of professional American football.

超级碗是职业美式榄球的冠军赛。

16.So American football requires you to be mentally tough.

美式榄球要求球员在精神上要坚强。

17.Well, first of all, a quarterback is a football player — an American football player.

首先，四分卫是榄球运动员——美式榄球运动员。

18.On TV, American football, baseball and basketball are the most popular sports.

足球，棒球和篮球。

19.And then, there's an exoplanet shaped exactly like an American football.

然后，这是一枚系外行星，它的形状看起来就像个美式榄球。

20.Shahanniee asks, " What's the origin of American football being named football? "

Shahanniee 问：“为什么美式榄球被称为 football？”