净化水质始终如一，使用寿命长。

To purify the water quality is consistent, long service...

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为森林净化水质的功能，提供了依据。

The mechanism and benefits of forest purifying water were discussed in the paper.

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我可以打猎，我可以鱼，我可以净化水质。

I can hunt, I can fish and I can purify water.

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我可以打猎，我可以鱼，我可以净化水质。

I can hunt, I can fish and I can purify water.

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