地理漫步·世界地理英语30篇（5）
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Forests Give Us Air and Home
森林提供空气与家园
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Forests cover about thirty percent of Earth.森林覆盖了地球约30%的面积。
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Trees take in carbon dioxide and give out oxygen.树木吸收二氧化碳，释放氧气。
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Rainforests hold more species than any other place.热带雨林拥有的物种数量超过地球上任何其他地方。
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Forests keep soil in place and stop floods.森林固定土壤，防止洪水。
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People get wood, medicine, and food from forests.人类从森林中获取木材、药材和食物。
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Fires and farms cut down too many trees.火灾和农田开垦导致大量树木被砍伐。
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Planting new trees helps forests grow back.种植新树有助于森林恢复。
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Protecting forests helps people and planet both.保护森林既造福人类，也保护地球。