danger of over population 人口危机
over-population problem 人口过多的问题
over-population 过剩人口
over-population theory 人口过剩论
N-UNCOUNT If there is a problem of overpopulation in an area, there are more people living there than can be supported properly. 人口过多
...young people who are concerned about overpopulation in the world.
...关心世界人口过多的年轻人。
Owing to the over population in urban areas and the lack of employment opportunity, the crime rate is also a huge problem we are faced with.
由于城市地区人口过多和就业机会不足,犯罪率也是我们面临的一个巨大问题。
These include environmental degradation, over population and the effects of globalization.
这些问题包括环境恶化,人口过剩及全球化的影响。
Alzheimer's is usually not found in the general population until people are over the age of sixty-five.
VOA: special.2009.09.09
You've got people from the outskirts coming in for food and safety; but, the population is slightly over two million people, and that's a lot of mouths to feed.
人们从郊区前往城市寻求食物和庇护,然而人口数量很快突破了二百万,人人都在等米下锅
If the rate of population growth of the United States between 1820 and 1850 had sustained over time, we'd have today approximately one and a half billion people in the United States.
如果在1820至1850年间,美国人口增长率保持下去的话,今天我们的美国,就会拥有近十五亿人口
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