There are many kinds of burning in nature, but forest burning is the most complicated one.

自然界有多种燃烧现象，其中森林燃烧是最复杂的一种。

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Burning the forest just once can leave behind enough black carbon to keep the soil fertile for thousands of years.

森林仅仅燃烧一次就能留下足够的黑碳，来保持数千年土壤肥沃。

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Many savanna and dry-forest plant species are called pyrophytes, meaning they are adapted in various ways to withstand occasional burning.

许多热带稀树草原和干森林植物物种被称为火生植物，这意味着它们以各种方式形成适应性，以抵御偶尔的燃烧。

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But they forecast little heat relief in a country where 500 forest fires were burning Tuesday.

VOA: standard.2010.08.10

The problem is that while clear-cutting sections of rain forest and burning out all the underbrush makes great soil for pastureland, it only does so for about three years.

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Forest fires burning in Canada's Northwest Territories in 1995 contributed to high levels of carbon monoxide more than 2, 000 miles away in the eastern United States, according to a study in today's issue of Science.

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The Lake Yellowstone Hotel overlooks a vast and placid body of moonlit water, its distant east shore smudged with the glow of a long-burning forest fire.

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