求翻译：我国属于缺水国之列，人均淡水资源仅为世界人均量的1／4，居世界第109位。中国已被列入全世界人均水资源13个贫水国家之一。而且分布不均，大量淡水资源集中在南方，北方淡水资源只有南方水资源的1／4。据统计，全国600多个城市中有一半以上城市不同程度缺水，沿海城市也不例外，甚至更为严重。目前我国城市供水以地表水或地下水为主，或者两种水源混合使用，有些城市因地下水过度开采，造成地下水位下降，有的城市形成了几百平方公里的大漏斗，使海水倒灌数十公里。由于工业废水的肆意排放，导致80％以上的地表水、地下水被污染。是什么意思？

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My country belongs to water shortages, the list only half of the world per capita fresh water resources per capita volume 1 /4, the highest in the world 109. China has been included in the world average per capita water resources 13 water-poor countries. But unevenly, abundant fresh water resources

Belonging to deficiency of China Mizukuni the list, per capita freshwater resources per capita in the world only one-fourth, ranked 109th in the world. China's poverty has been included in the world per capita water resources in 13 sookook one. And uneven distribution, large a