地理漫步·世界地理英语30篇（9）
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Forests Give Us Air and Home
森林供给我们空气与家园
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Forests cover about one-third of Earth’s land.森林覆盖了地球约三分之一的陆地。
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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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Many animals live only in forest homes.许多动物仅生活在森林家园中。
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Tropical forests have the most kinds of plants and animals.热带森林拥有最多样的动植物种类。
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Forests help rain fall and keep soil in place.森林有助于降雨并保持水土。
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People cut down trees for wood and farmland.人们砍伐树木获取木材和开辟农田。
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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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Healthy forests help people and the planet breathe.健康的森林有助于人类和地球呼吸。