Professor Mu Xingming of the Institute of Soil and Water Conservation told the Guardian that overpopulation was largely to blame.
中科院水土保持研究所教授穆兴民告诉《卫报》记者说,人口的过度增长是水土的问题的主要原因。
Professor Mu Xingming of the Institute of Soil and Water Conservation told the Guardian that overpopulation was largely to blame.
中科院水土保持研究所教授穆兴民告诉《卫报》记者说,人口的过度增长是水土的问题的主要原因。
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