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While volcanoes can be pretty destructive, they can also create.
虽然火山可能具有相当大的破坏性，但它们也可以创造。
Volcanoes have been known to form mountains, islands, and add a layer of ash to large areas of land.
众所周知，火山可以形成山脉、岛屿，并在大片土地上增加一层火山灰。
The ash actually helps make trees and plants grow.
火山灰实际上是有助于树木和植物的生长的。
Scientists believe that volcanoes help form the Earth's atmosphere.
科学家们相信火山有助于形成地球的大气层。
So if it wasn't for volcanoes, we would never have been able to breathe.
所以如果没有火山，我们就无法呼吸。
All right, all right. You sure are giving volcanoes a lot of credit.
好吧，好吧。你真是给火山极大的褒奖啊。
Did you know that while volcanoes have been around for billions of years,
你知道吗，虽然火山已经存在了数十亿年，
the most famous volcanic explosion dates back to 79 A.D. when Mount Vesuvius erupted and wiped out a small Roman town called Pompei.
但最著名的火山爆发要追溯到公元79年，当时维苏威火山爆发，摧毁了一个叫庞贝的罗马小城。
Even though Pompei was covered in ash and lava, today you can still go visit the ancient town and see how the eruption destroyed it thousands of years ago. Pretty cool, right?
即使庞贝被火山灰和熔岩所覆盖，你今天仍然可以去参观这个古城，去看看几千年前的火山爆发是如何摧毁它的。很酷，对吧？
