形容词（城市等）人口过密[过多]的

1. 人口众多的：overnight 一夜之间的 | overpopulated 人口众多的 | overseas 海外的

2. 人口多的：1) pollution 污染 | 2) overpopulated 人口多的 | 3) over-industrialized 过度工业化的

1. 人口过剩的；人口过密的
If an area is overpopulated, there are problems because it has too many people living there.

e.g. Environmentalists say Australia is already overpopulated.
环保人士认为澳大利亚已经人口过剩。
e.g. ...the overpopulated valleys of the north Omagh region.
奥马北部地区人口过密的山谷