" And it's replacing the old song as it goes."

“它在过程中取代了老歌。”

That's, in part, what makes it airborne.

这在某种程度上使其能在空气中。

These videos that are circulating are going viral.

这些视频在广泛中走红。

Why is Omicron speeding through the population?

为何奥密克戎在人群中如此迅速？

A light year is the distance light travels in a year.

一光年光在一年中距离。

One light year is the distance light travels in a year.

一光年光在一年中距离。

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。

A light year is the distance that light travels in one Earth year.

一光年指光在真空中一年经过距离。

They fear it might spread more easily among people.

他们担心这种新猴痘可能会更容易在人群中。

A light year is the distance light travels in one year.

一光年光在一年中距离。

It sounds like science fiction, but it's real, and it's spreading.

这听上去像科幻小说或影片里才会有事，其实真，而且还在不断中。

A light-year is the distance light travels in a year, 9.5 trillion kilometers.

一光年光在一年中距离，9。5万亿公里。

The findings suggest that asymptomatic cases are important in the spread of the virus.

研究结果表明，无症状感染病例在病毒中非常重要。

Yeah, coccidia can go through the whole flock.

，球虫可以在整个鸡群中。

So they’ve actually written the speech to make it easier to share on social media.

这样演讲更利于在社交媒体中。

In that same time, bacterial life did spread across the watery globe.

与此同时，细菌生命在全球水体中开来。

He dedicated his life to communicating the wisdom he had gained in prison.

他毕生致力于他在监狱中获得智慧。

However, diseases have spread among human populations throughout history.

然而，纵观历史，疾病一直在人类群体中。

When they are lifted, covid-19 will spread again among people who are still susceptible.

封城解除后，新冠肺炎将再次在易感人群中。

A light year is the distance light travels in a year – about 9.5 trillion kilometers.

一光年光在一年中距离，大约9.5万亿公里。