Coaches in American football can challenge calls with video replay.

美球主教练则可凭借视频回放提出挑战。

American football is played September through January.

美球比赛从9月一直持续到1月。

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

美球和欧洲足球没有什么相似之处。

Basketball, American football, soccer or hockey?

篮球、美球、足球还是曲棍球？

American football in Russia has a rocky history.

美足球在俄罗斯有一段坎坷的史。

It's a contact sport like American football.

是一项像美足球一样的接触性运动。

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

国际空间站，宾汉峡谷矿田，美国足球场还是云杉鹅号太空船？

So American football requires you to be mentally tough.

美球要求球员在精神上要坚强。

Here are three American football fields side by side.

这里有三个并排的美球球场。

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

我不是太了解球。

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

在美国，最受欢迎的一个词来自美足球。

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

其他的则更细长，形状像雪茄或球。

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

首先，四分卫是球运动员——美球运动员。

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

超杯美足球大赛是美国职业美足球的冠军赛。

I am a huge fan of American football, the Patriots, Cleveland, the New York Giants.

我是美足球、爱国者队、克利夫兰骑士队和纽约巨人队的超粉丝。

Who is known as the father of American football?

谁被称为美球之父？

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

足球，棒球和篮球。

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球。

One of the most common American football idioms is " a Hail Mary" .

美球中最常见的习语之一是" a Hail Mary" 。

Any sports really, I watch on TV. Yeah, football, basketball, baseball, American football.

我会在电视上看各种体育节目。足球、篮球、棒球、球等等。