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

“传播过程中取代了老歌。”

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

某程度上使其能空气中传播。

These videos that are circulating are going viral.

些视频广泛传播中走红。

Why is Omicron speeding through the population?

为何奥密克戎人群中传播如此迅速？

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

一光年光一年中传播的距离。

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

一光年光一年中传播的距离。

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空气中传播。

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

一光年指光真空中传播一年经过的距离。

They fear it might spread more easily among people.

他们担新猴痘可能会更容易人群中传播。

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

一光年光一年中传播的距离。

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

听上去像科幻小说或影片里才会有的事，其实真的，而且还不断传播中。

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

一光年光一年中传播的距离，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，无症状感染病例病毒传播中非常重要。

Yeah, coccidia can go through the whole flock.

的，球虫可以整个鸡群中传播。

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

样的演讲更利于社交媒体中传播。

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

与此同时，细菌生命全球水体中传播开来。

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

他毕生致力于传播他监狱中获得的智慧。

However, diseases have spread among human populations throughout history.

然而，纵观历史，疾病一直人类群体中传播。

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

封城解除后，新冠肺炎将再次易感人群中传播。

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

一光年光一年中传播的距离，大约9.5万亿公里。