Except scientists have found out that a song doesn't stay limited to just one population.

然而科学家们发现一首歌并不只在一个群体里流行。

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But over the next few months, one population will be at very high risk: college freshmen.

不过，在接下来的几个月里，有一群正处于这种高风险之中的人：大学新生。

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Only one population (the Western whip snake of France) showed a sign of increasing during that four-year-period.

在这四年中，仅有一种蛇(西部的法国鞭蛇)的数量显示出增长的迹象。

youdao

The latest information from the Tombstone Chamber of Commerce says the town has a population of about one thousand five hundred people.

VOA: special.2010.02.15

But in general, for each neurotransmitter that released it there would only be one population of receptors that's ready to receive it.

但总体说,每一种在此释放的神经递质,只能被一类受体接受

耶鲁公开课 - 生物医学工程探索课程节选

Some people in the population are more biologically vulnerable than others, and the Pimas appear to be one of those groups.

人群中有一些群体,在生物学上处于弱势,皮玛族就是其中之一

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

One population of mammoths lived on in isolation on Russia's remote Wrangel Island until about 5, 000 years ago.

BBC: The mammoth's trunk and eyes are still intact

Then there is the third measure, championed by Milanovic himself, which is to treat the world just as one population.

FORBES: CAFOD: Really Not Understanding Global Inequality

He said the differences from one population to another "cannot be accounted for either by genetic make-up or environmental influences".

BBC: Cultural habits of chimps