地理漫步·世界地理英语30篇（5）
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Volcanoes Build Land and Change Climate
火山建造陆地并影响气候
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Volcanoes erupt when hot magma rises from deep underground.火山喷发是由于地下深处的岩浆上升所致。
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Lava cools to form new rock and even new islands.熔岩冷却后形成新岩石，甚至新岛屿。
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Ash clouds can block sunlight and cool Earth’s surface temporarily.火山灰云可暂时遮挡阳光，使地表降温。
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Hawaii and Iceland grew from undersea volcanic activity.夏威夷和冰岛由海底火山活动形成。
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Volcanic soil is rich and great for growing crops like coffee.火山土壤肥沃，非常适合种植咖啡等作物。
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Some volcanoes stay quiet for centuries before waking up again.有些火山会沉寂数百年后再度苏醒。
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Scientists watch them closely using satellites and ground sensors.科学家通过卫星和地面传感器密切监测它们。
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Their power reminds us how Earth’s surface stays alive and active.它们的力量提醒我们，地球表面始终充满活力与动态。