该公司声称，这条河流的污染不是它造成的。
The company claims that it is not responsible for the pollution in the river.
而由于河流的污染度通常都不会超过10度，这项工作显得尤为重要。
Since the rivers are never much beyond 10 degrees, this was a significant task.
该河流受污染的程度其时正在降低。
人们已经污染了那里的河流。
工厂的有毒废弃物污染了大段大段的河流。
Large sections of the river have been poisoned by toxic waste from factories.
现在的河流很脏，因为有些人污染了河流。
全球的污染，河流和海洋之死。
他亲历了儿童时代的河流一步步被污染，鱼类一点点的消失。
He has seen the pristine river of his childhood become polluted and fish populations disappear.
许多的河流干枯了，没干枯的也被污染了。
Many of its rivers have dried up, the rest are heavily polluted.
那个县三分之一的河流被污染了。
这条污染严重的河流散发出一股难闻的气味。
我们没有水是无法生存的但此时许多河流被污染。
We can't live without water but now many rivers are polluted.
这是一条慷慨给予的河流，但是人类在污染它。
It was a river that gave abundantly, but man was polluting it.
今天许多污染了的河流变得越来越干净。
Today, many polluted rivers are getting cleaner and cleaner.
今天，许多污染了的河流变得越来越清澈。
Today, many polluted rivers are getting clearer and clearer.
我们也污染了土地，河流和空气的。
最后对研究区域的河流污染控制策略提出了建议。
Finally, the recommendations of controlling the polluted river in the study area are proposed.
这里的河流不都被污染了。
污染的河流和湖泊也是造成死亡的一个原因。
垃圾里的毒毒死了鱼和植物并且污染了河流。
The poison in the waste killed fish and plants and polluted the river.
这个地区的河流和湖泊正在受这家工厂的污染。
The rivers and lakes in this area are being polluted by this factory.
那条被污染的河流过去很干净。
最近，我们城市附近的河流被严重污染了。清洁的水不见了。 河流污染。
The rivers near our city have been seriously polluted recently. The clear water has gone.
来自那家工厂的污水是当地河流污染的主要原因。
Waste water from the factory is the main cause of the pollution of local rivers.
更好的污水处理意味着河流免受污染。
Better sewage treatment means that our rivers and stream can run free of pollutants.
仅在河流源头治理污染是不够的！
Tackling the water pollution at the head source of the rivers is not enough!
仅在河流源头治理污染是不够的！
Tackling the water pollution at the head source of the rivers is not enough!
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