We have reserves that can scale us up to large numbers.

我们还有预备军人， 能使备战人口大量增加。

This massive scale and growing populous necessitated advancements in Roman engineering.

帝国规模庞大，人口不断增加，需要罗马工程进一步发展。

Where will humans find me when there are billions more of them around?

如果人口再增加几十亿，人类还能找到我吗？

Between now and 2050, the urban population of Africa could triple.

从现在到 2050 年，非洲城镇人口可能增加两。

Population growth has fueled an increase in fishing because of rising demand.

由于需求的增加，人口的增长推动了捕鱼业的发展。

This relatively huge increase has caught many demographers by surprise.

这种颇为可观的增加量使得许多人口统计到很惊讶。

Most remarkable has been the increase in their workforce.

更值得注意是保险从业人口的增加。

In eastern England, for example, where eastern Europeans are increasingly numerous, 38% fume about immigration.

比如英格兰东部地区东欧人口迅速增加，38%的人对移民有怨言。

Knowledge is lost, living standards fall, violence increases and often the population declines.

知识丢失，生活水平下降，暴力增加，人口数常随着下降。

Its population more than doubles when students arrive.

当生到来时，它的人口增加了一多。

So population would increase, and there would be more people to look after.

所以人口会增加，会有更多的人需要照顾。

A law has come into force aimed at boosting Iran's population.

一项旨在增加伊朗人口的法律已经生效。

When Japanese women on average were having five children which was dramatically increased Japan's population.

当时日本女性平均生育 5 个孩子，日本人口急剧增加。

Additionally, cutting waste will reduce hunger that is expected to rise during the coronavirus pandemic.

此外，减少食物浪费将减少饥饿人口，预计在新冠疫情期间饥饿人口将会增加。

In Washington DC, Mayor Muriel Bowser wants office-to-housing conversions to help repopulate the downtown area.

在华盛顿特区，市长穆丽尔·鲍泽希望将办公室改造为住房，增加市中心人口吸引力。

The UK gets about 500 people added to its population every day.

英国每天约增加五百名人口。

This is a place, all of Europe increases in population.

从此以后 欧洲所有地方的人口都增加了。

In just four generations, our population has grown by 5 billion.

短短四代 人口就增加了五十个亿。

And as population grows, livestock production intensifies, which has its own set of risk factors.

随着人口的增加，牲畜产量也在增加，而这其中有着内在的风险因素。

The Southeast will see new fresh water issues due to drought and increased population.

东南部将由于干旱和人口增加面临新的淡水问题。