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。
Factories must be prevented from pouring polluted water into rivers and lakes.
必须阻止工厂把被污染的水倒入河流和湖泊。
Now, all the rivers and lakes are either dry or polluted.
现在，所有的河流和湖泊不是干涸就是被污染了。
In order to make rivers and lakes clean and prevent water from being polluted, we must do something to stop all sorts of pollution.
为了保持河流湖泊清洁，防止水污染，我们必须采取措施，阻止各种污染。
What's more, a lot of rivers and lakes are beginning polluted by the waste watcr from factories. Fish can't live in them any longer.
而且，许多河流湖泊被工厂排放的污水所污染，鱼不能生存。
But now lots of rivers and lakes are seriously polluted.
可是此时许多河流和湖泊受到严重污染。
Lakes and rivers are becoming seriously polluted, which aggravates (worsens) the shortage of fresh water.
湖泊河流正在被严重污染，这使淡水的短缺变得愈加严重。
As a result, a lot of rivers and lakes are polluted, and in some areas, the air also becomes dirty and harmful.
因此，许多河流和湖泊被污染，在一些地区，空气也变得肮脏的和有害的。
Many rivers and lakes are seriously polluted.
许多河流和湖泊受到严重污染。
As a result many rivers and lakes are polluted and there is less and less water for us to drink.
因此许多河流和湖泊被污染有越来越少的水给我们喝。
The water we use comes from oceans, lakes, rivers or streams. But many of these water sources are getting seriously polluted. Towns and cities are pouring dust into the water.
我们用的水来自海洋、湖泊、河流或小溪，但这些水源有许多正受到严重的污染。
On the other hand many rivers and lakes have been polluted.
另一方面许多河流和湖泊被污染。
The rivers and lakes in this area are being polluted by this factory.
这个地区的河流和湖泊正在受这家工厂的污染。
Many rivers and lakes are seriously polluted.
很多河流湖泊已经受到严重污染。
Waste gases poison the air we breathe. The rivers and lakes are polluted by waste dumped in them from factories.
我们呼吸着有毒的空气，河流和湖泊也被附近的工厂里排放出来的废弃物严重污染了。
More and more rivers have been seriously polluted. More and more lakes are getting smaller and smaller.
越来越多的河流被严重污染，越来越多的湖泊正在缩小，甚至枯竭。
Plants also dispose extremely-polluted water into rivers and lakes.
工厂还会把极度污染的水排入河流和湖泊。
What's more, a lot of rivers and lakes are beginning polluted by the waste water from factories. Fish can't live in them any longer.
而且，许多河流湖泊被工厂排放的污水所污染，鱼不能生存。
China's river systems suffer a similar predicament, with the Chinese Ministry of Water Resources reporting that 70 per cent of China's rivers and lakes are polluted.
中国的河流系统遭到同样的困境，而中国水利部报告显示，中国70%的河流和湖泊被污染。
Water is very important to the human beings. But now many rivers and lakes are polluted.
水是对人类非常重要。但是现在许多河流和湖泊受到污染。
Water is very important to the human beings. But now many rivers and lakes are polluted.
水是对人类非常重要。但是现在许多河流和湖泊受到污染。
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