The Tornado can fly at supersonic speed. That's faster than the speed of sound.

“龙卷风”战机可以在超音速下飞行。这表示它的飞行速度要比音速快。

In a statement, US defense officials said their planes had been travelling at supersonic speeds.

在一份声明中，美国国防部官员表示，他们的飞机一直在以超音速飞行。

Next, we're looking at how NASA is aiming to take commercial travel to supersonic speeds.

接下来，让我们了解一下美国国家航空航天局是如何致力于将商业旅行速度提升到超音速的吧。

It was designed to investigate how a large landing vehicle would slow down as it falls through the atmosphere at supersonic speeds.

这个降落伞设计的初衷是了解在大气中以超音速航行的大型着陆器如何慢慢减速。

Rocks crack under the pressure, until they finally give way and billions of tons of gas and ash blast out at supersonic speed.

岩石在压力下崩裂，直到它们最终让路，使数十亿吨的气体与火山灰以超音速炸出。

Despite the difficulties, it is important to remember that an energy crisis is approaching at supersonic speeds and will soon be upon us.

尽管困难重重，我们需要牢记的是，能源危机正以超音速逼近，即将来到我们面前。

When an object moves at supersonic speed, it generates a continuous moving shockwave known as a sonic boom.

当物体以超音速运动时，它会产生连续移动的冲击波，称为音爆。

National regulations banning supersonic speeds over land rule out trips across North America, home to lots of business travellers and most of the world's business jets.

美国法规禁止在本土超音速飞行，这就排除了穿越北美航行的可能性，而北美是众多商务旅行者和世界上大多数公务机的所在地。

So the heroic lamb flies from the atmosphere Antarctic at a supersonic speed, who then corrects them with a photoelectric lactic synthetically.

故此，英勇的小羊从南极的大气层以超声速飞来，并用一个综合的光电策略观纠正了他们。

Within minutes, a superheated cloud of gas and debris blasted down the mountain at supersonic speed, devastating nearly 250 square miles of forest.

几分钟内，一团过热的气体和碎片云以超音速从山上轰下，摧毁了近 250 平方英里的森林。

The F-22 is the only aircraft in the world able to supercruise at supersonic speeds with full weapons loadout and without using fuel-inefficient afterburners.

F-22 是世界上唯一能够以超音速超音速巡航且武器满载且不使用燃油效率低的加力燃烧室的飞机。

The message seems to be that with better technology and different fuels, you can fly around the world at supersonic speed and save the planet.

传达的信息似乎是， 有了更好的技术和不同的燃料，您就可以以超音速飞越世界并拯救地球。

It hasn't been built yet but if and when that happens its makers say it could carry as many as 50 passengers at supersonic speeds by the end of the decade.

这款飞机目前还没有投产，但如果真的建成的话，其制造商表示，到2020年，这款飞机将以超音速搭载50名乘客。

He was on top of the world, an unbelievable 135,000 feet, that's four and a half Mount Everest high, and he became the first person ever to skydive at a supersonic speed.

他站在世界之巅，令人难以置信的13万5千英尺高，相当于珠穆朗玛峰的4.5倍，他成为第一个以超音速跳伞的人。

Breaking through this barrier at the speed of sound, or supersonic speeds, may sound terribly exhilarating, but inside a modern jet, the ride is smooth and barely noticeable.

以声速或超音速突破这一障碍听起来可能非常令人兴奋，但在现代喷气式飞机内， 飞行过程平稳且几乎不会引起注意。

So when the airplane gets to a supersonic speed, those waves that you're pushing in front of the airplane can no longer get out of the way, essentially.

所以当飞机达到超音速时，你在飞机前面推动的那些波浪基本上无法再避开。

As the fireball rapidly expands, it pushes  back the surrounding air, and a shock wave, or air blast, radiates from the center of the  explosion at supersonic speeds.

当火球迅速膨胀时， 它会推回周围的空气，并且冲击波或空气冲击波以超音速从爆炸中心辐射出来。

The result of all this innovation was a plane that went into service in 1976 could five miles higher and 800 miles per hour faster than the competition but supersonic speed was anything but super cheap.

所有这些创新的结果是，1976年投入使用的飞机比竞争对手的飞机高出5英里，时速快出800英里，但是超音速一点也不便宜。