Water is the most important thing in the world.
Plants and animals need water. People's life and production also need water.
With the development of modern agriculture and industry, we need more and more water. But the problem is that there is not enough water in some places.
Many factories pour the polluted water into rivers and lakes. As a result the water is polluted.
We have to try our best to stop the water pollution. Because no water, no life.
整个把要求翻译了下
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