One must realize that it takes years for a planted tree to mature and years to clean out a polluted river.

人们必须认识到，一棵树要长大成荫得好几年，一条河要变干净也需要很多年。

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A Hindu devotee wraps a piece of clothing around himself after a ritual dip in the polluted Yamuna river in New Delhi in 2010.

2010年，在新德里被污染的亚穆纳河里，一位印度教信徒在沁浸仪式后正在用布片包裹自己。

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The factory has been dumping its waste in the river. As a result, the river is polluted.

该工厂一直将其废弃物倾倒在那条河里。结果，那条河被污染了。参考答案

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They designed a large building that would clean a polluted river in Jakarta.

VOA: special.2010.03.31

The second was increased news reporting about a river so polluted that it caught on fire.

VOA: special.2010.04.21

Oriental Daily News says villagers attacked a fellow villager in Pailian, Zhejiang, after he had offered an environmental official money to swim in a polluted river.

BBC: China media: Egypt accident anger

The video shows a small river with a yellow hue, allegedly polluted from the discharge of two companies nearby, one of them a suspected Apple supplier.

CNN: Apple rejects China pollution allegations

Situated on the banks of the Ganges River, Varanasi (formerly Benares) is visited by millions of Hindu pilgrims each year, most coming to cremate a deceased loved one and bathe themselves in the river's horrifically polluted but extremely holy waters.

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