Pollutionofsea by oil has become one of the most serious problems of worldwide environment nowadays and attention is being paid on this problem.
海洋石油污染已成为当今严重的全球性环境问题之一,得到了愈来愈多的关注。
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In Scotland, the number of wild salmon have been reduced because of uncontrolled deep-sea and coastal netting, by pollution, and by various other threats to the fish's habitat.