He said a Russian aircraft had launched the hypersonic missile from Russian airspace into Ukraine.

他说，一架罗斯飞罗斯领空向乌克兰发射这枚高超声速导弹。

760 miles per hour is about the speed of sound at sea level.

每小时760英里相当于海平面上的声速。

Here comes the boom, a supersonic object is traveling faster than the speed of sound.

轰隆隆的响声传来，一个超音速物体正在以高于声速的速度在空中飞行。

It traveled blank times faster than the speed of sound.

它传播的速度声速快多少倍。

So I see times faster than the speed of sound.

所以我看声速快多少倍。

You were even faster than the speed of sound.

你超过声速。

In the strong cough, that air can travel at speeds close to the speed of sound.

剧烈咳嗽的过程中，空气流速接近于声速。

We're looking at faster than the speed of sound, Earth's surface.

我们看声速快，地球表面。

We see here, it travelled blank times faster than the speed of sound.

我们在这里看，它行进的速度声速快多少倍。

Ten-second trivia: While not constant, the speed of sound is typically how fast?

虽然声速不是恒定的，但通常有多快？

Still, mach I or the speed of sound is not something that`s reached by passenger planes, at least not anymore.

仍然，马赫一号或声速不是客所达的，至少不再如此。

Air temperature changes this, but the sound barrier can typically be broken at around 760 miles per hour.

温度对声速会有影响，但音障通常会在每小时760英里左右被打破。

But already I see here the speed of sound, which is what we have in the table here.

但是我已经在这里看声速，这是我们在表格里看的。

Number one was that it traveled 50 times faster than the speed of sound.

第一题是它行进的速度是声速快50倍。

Light travels more quickly than sound, so you would expect a flash works better.

光速快于声速，因此你会觉得闪光效果更佳。

The speed of sound barely leave time for considered human responses.

声速几乎不给人留下思考应对的时间。

With a machine that breaks down the material at the speed of sound.

使用一台以声速分解材料的器。

Now, the speed of light is huge compared to the speed of sound.

现在，光速远大于声速。

This speed is considered the speed of sound in steel and it varies depending on the material.

这个速度被认为是钢中的声速，它会根据材料的不同而变化。

I was one of the finalists for salesperson of the year on the Sonic Board of Realtors.

我是声速房地产委员会年度销售员决赛入围者之一。