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

“它在传播过程中取代了老歌。”

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

这在某种程度上使其能在空气中传播。

Why is Omicron speeding through the population?

为何奥密克戎在人群中传播如此迅速？

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

一光是光在一中传播的距。

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

一光是光在一中传播的距。

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。

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

一光是指光在真空中传播一经过的距。

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

一光是光在一中传播的距。

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

这听上去像是幻小说或影片里才会有的事，其实是真的，而且还在不断传播中。

Yeah, coccidia can go through the whole flock.

是的，球虫可以在整个鸡群中传播。

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

一光是光在一中传播的距，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传播中非常重要。

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

这样的演讲更利于在社交媒体中传播。

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

与此同时，细菌生命在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在监狱中获得的智慧。

However, diseases have spread among human populations throughout history.

然而，纵观历史，疾病一直在人类群体中传播。

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

封城解除后，新冠肺炎将再次在易感人群中传播。

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

一光是光在一中传播的距，大约9.5万亿公里。

She wants to be a teacher and to spread the joy of creativity among children.

她想成为一名教师，在孩子们中传播创造力的快乐。

It rarely, if ever, passes from one person to another.

该病毒很少且几乎不会在人群中直接传播。