Lots of polluted rivers are much cleaner now.
许多被污染的河流现在干净多了。
The Ganges river dolphin is also in grave danger; only a few thousand remain, and they live in some of the most polluted rivers on Earth.
恒河河豚也是岌岌可危。 现仅存数千头，生活在地球上污染最严重的水域。
Today, many polluted rivers are getting clearer and clearer.
今天，许多污染了的河流变得越来越清澈。
Today, many polluted rivers are getting cleaner and cleaner.
今天许多污染了的河流变得越来越干净。
Wastewater from many factories has been drained off without any treatment and thus polluted rivers.
许多工厂的污水没有经过任何处理便排出以至于污染了河流。
Because of high ratio of heavy industry and neglect of protecting the water environment, Liao river Basin has become one of the most polluted rivers in China.
但是由于重工业比重较大和长期以来忽视环境保护，辽河流域已被认为是中国受环境污染最严重的流域之一。
The sand layer in the soils could provide transportation of pollutants from the polluted rivers, which could be potential threat to ecosystem and local population.
沿岸土壤层中砂层为受污染的河水对浅层地下水的补给提供了条件，造成浅层地下水污染，对当地生态系统和人类健康构成潜在的威胁。
Polluted rivers and lakes have also been a cause of death.
污染的河流和湖泊也是造成死亡的一个原因。
Ancient American Indians would cry if they could see the polluted rivers and lakes they once worshiped.
倘若以前的美国印第安人看到他们所崇拜的江河湖海受到污染，他们一定会哭出来的。
Please have a good look at me: polluted rivers and lakes, growing deserts, the destruction of the forests and wild life, and the depletion of the ozone layer.
请好好看一看我：受污染的江河湖海、扩张的沙漠、森林和野生生物的毁灭、臭氧层的耗尽。
Please have a good look at me: polluted rivers and lakes, growing deserts, the destruction of the forests and wild life, and the depletion of the ozone layer.
请好好看一看我：受污染的江河湖海、扩张的沙漠、森林和野生生物的毁灭、臭氧层的耗尽。
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