Many are concerned the expanding population is destroying the planet.

许多人担心不断增长的人口正在摧毁地球。

Without upgrades and new capacity, bridges, roads, and power systems are unable to cope with expanding populations.

在没有升级和新能力的情况下，桥梁、道路和电力系统就无法应对不断扩大的人口。

After experiencing massive growth rates and expanding their populations dozens of times over since the turn of the 20th century.

自 20 世纪之交以来，这三个州的人口经历了高速增长，人口规模扩大了数十倍。

Similar patterns may govern the expanding  population of robots that steadily automate the lower levels of our society.

类似的模式可能会控制不断扩大的机器人数量，这些机器人会稳步自动化我们社会的较低层次。

" Medical institutions are forbidden from unreasonably expanding the target population suitable for receiving the treatment for the sake of economic benefits, " it said.

同时，管理局严正声明，禁止医疗机构出于经济利益考虑，擅自扩大三伏灸的适用范围及人群，更不得使用无中药成分的替代品，如红外贴、磁疗贴等。

Leading many to worry about what these expanding population groups will do in these regions over the next century, possibly forcing them to migrate elsewhere.

这让许多人担心，这些不断扩大的人口群体在下个世纪会在这些地区产生什么影响，可能会迫使他们迁移到其他地方。

Now marine scientists have at last begun to study this possibility, especially as the sea's resources loom even more important as a means of feeding an expanding world population.

现在，海洋科学家们至少已开始研究这种可能性。全球人口不断扩张，海洋资源作为食品的重要性日益突出。

The UN Secretary General is visiting the mother and her son as a UN attempt to draw attention to the social and ecological problems of rapidly expanding populations.

联合国秘书长正在探望这对母子，以此作为联合国试图引起人们对迅速增长的人口所造成的社会和生态问题的关注。

As the pressure to provide these resources for the world's rapidly expanding population increases, coupled with the growing threats of global climate change, drylands across the world are experiencing more soil erosion than ever.

随着为世界迅速增长的人口提供这些资源的压力增加，加上全球气候变化的威胁日益加大，世界各地的旱地正在经历比以往任何时候都更严重的土壤侵蚀。

One of the biggest concerns of the agreement both then and now was the expanding population in the southwest, particularly in southern California, and the resulting increased demand over time for water in the lower Basin states.

无论是当时还是现在，该协议最大的担忧之一都是西南部人口的增加，尤其是南加州，以及随着时间的推移，盆地下游各州对水的需求也会随之增加。