When these molecules travel through the air, a transformation occurs.

在空气中移动时，这些分子会发生变化。

Ebola does not travel through the air like the flu, for example.

埃博拉病毒并不会像流感一样在空气中传播。

Sound, as we all know, is basically changes in air pressure that travel through the air.

声音，我们知道声音是一种压力波，依靠空气的压缩变化在空气中传播。

You wouldn't hear anything either, because soundwaves would stop traveling through the air to your eardrums.

你也听不到任何东西，因为声波也会停止在空气中传播到你的耳膜。

They believe some of these particles probably traveled through the air at some point on their journey.

他们相信其中的一些粒子可能在旅程的某个时刻穿过空气。

As the stream of dissolved polymer travels through the air, the solvent evaporates, leaving behind a solid thread.

当溶解的聚合物在空气中流动时，溶剂蒸发，留下一个固体线。

" Airborne toxins" would be toxins that travel through the air and that, of course, you could breathe in accidentally.

“空气毒素” 是指通过空气传播的毒素，当然，您可能会不小心吸入。

After traveling through the air for a bit, the particles don't bump into each other as hard, and eventually the vibration stops.

在空气中移动了一段时间后，粒子不再相互碰撞， 最终振动停止。

For a day and a night I traveled through the air, and on the morning of the second day I awoke and found the balloon floating over a strange and beautiful country.

我在高空中游荡了一天一夜，在第二天早晨，我醒来时发觉轻气球飞在异常美丽的国土上空。

The document says the term " through the air" can be used for infectious diseases in which the main spread involves a pathogen traveling through the air or being suspended in the air.

该文件说，“通过空气传播”这一术语可用于传染病，即主要传播的病原体通过空气传播或悬浮在空气中。

And even though this might be a pressure wave that's traveling through the air, we can represent it in a way that looks a lot like our first rope that we were moving up and down.

尽管这可能是在空气中传播的压力波，但我们可以用一种看起来很像我们上下移动的第一根绳子的方式来表示它。