As they travel across the Sahara, they create the biggest of all sand storms.

它们穿越撒哈拉沙漠时，造成了世界上最大的沙尘暴。

Dust storms rage across the planet.

沙尘暴这个星球上肆虐。

The Dust Bowl covered several states in the central U.S.

那次沙尘暴覆盖了美国中部的好几个州。

The nearby city of Salt Lake City is already facing dust storms.

附近的盐湖城已经面临沙尘暴。

The result was several years of massive, deadly dust storms.

结果就是持续几年、大规模毁灭性的沙尘暴。

In a dust storm, it is very difficult to see.

沙尘暴中，人们很难视。

Each year, huge storms form in the Sahara desert of northern Africa.

每年都会有几次从非洲北部的撒哈拉沙漠刮来的沙尘暴。

The scientists believe that a huge drought and sandstorms buried it thousands of years ago.

科学家们认为，数千年前一场严重的干旱和沙尘暴将它掩埋。

At least 60 people have died in fierce dust storms in India.

至少60人的剧烈沙尘暴中死亡。

Like the shaky ride during launch and landing, as well as dust storms on Mars.

比如发射与着陆时不稳定的航行，以及火星上的沙尘暴。

You could see how everything is sloped to deflect the wind from all the sandstorms.

看得出来，建筑的设计都是斜的，目的是为了抵挡沙尘暴。

Mars also gets dust devils, towering vortices of wind similar to tornadoes.

火星也有尘暴——高耸的风力漩涡，与龙卷风类似。

Huang Xiaomei, who lives in Beijing says, To be cycling in a sandstorm is frightening.

黄小梅，居住北京，她说“沙尘暴中骑车很危险。

These types of extreme dust storms are called haboobs and they can last for hours.

这种极端的沙尘暴被称为“哈布风”，可能会持续数小时。

A black blizzard, though, isn't actually a blizzard—it's an extreme dust storm.

然而，黑色的暴风雪实际上并不是真正的暴风雪，它是一场极端恶劣的沙尘暴。

Kansas and Texas saw dust storms from the damaging winds.

破坏性大风引发的沙尘暴席卷了堪萨斯州和德克萨斯州。

We need to close the windows because of the yellow dust.

因为沙尘暴，我们必须把窗户关起来。

We get sandy yellow dust in the spring.

我们春天有沙尘暴。

Right. Trees also help keep soil in place during storms.

是的。树木可以帮助沙尘暴中固定水土。

In Iraq, sandstorms have hit cities often this year.

伊拉克，沙尘暴今年经常袭击城市。