The downtown is being overpopulated.
闹市区的人口越来越稠密了。
This city is just too overpopulated.
这个城市人口太过稠密。
China is an overpopulated nation which needs to get rid of excessive people.
中国人口众多，需要摆脱一些多余的人口。
If the world all becomes overpopulated it will be hard to maintain civilization.
如果世界人口过度增长，文明就很难维持。
If the world all becomes overpopulated it will be hard to maintain civilization.
如果世界人口过度增长，文明就很难维持。
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