population相关的词根或词缀是: populpubl

Austin 's population has doubled in the past 20 years .

过去20年，奥斯汀的人口增长了一倍。

In an infinite population , anything that can happen will happen .

在一个无穷大的种群里，自然是能有什么就会发生什么。

And yet , very little research has addressed smoking in this population .

然而，很少有研究关注吸烟和这个群体的关系。

The security services are constantly monitoring the population .

安全武装不断地巡视着四周的人们。

The working-age population is shrinking .

劳动力人口也在萎缩。