Clearing woodland by burning it is a trick almost as old as humanity itself, but the presence of man also increases a forest's susceptibility to fire.
烧掉树木以得到空地是几乎和人类一样古老的伎俩，但是人类的存在也增加了森林对火灾的敏感性。
Clearing woodland by burning it is a trick almost as old as humanity itself, but the presence of man also increases a forest's susceptibility to fire.
烧掉树木以得到空地是几乎和人类一样古老的伎俩，但是人类的存在也增加了森林对火灾的敏感性。
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