11 篇文章
The volcanoes released
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The volcanoes released 火山释放出的二氧化碳

Volcanoes had been erupting for millions of years.
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Volcanoes had been erupting for millions of years. 火山已经喷发了数百万年

Throughout history, volcanoes have been one of the greatest agents of change.
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Throughout history, volcanoes have been one of the greatest agents of change. 纵观历史 火山一直是最大的变化因素之一

new volcanoes continue to sculpt our landscapes.
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new volcanoes continue to sculpt our landscapes. 新火山继续塑造着地表风貌

built by volcanoes.
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built by volcanoes. 现在仍有岛屿不断形成

Some of these isolated volcanoes rise as much as nine thousand meters from the sea floor, reaching close to the surface.
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Some of these isolated volcanoes rise as much as nine thousand meters from the sea floor, reaching close to the surface. 有一些成为孤岛的火山高耸在海床上达9000米 几乎快要到达海面了

In places, volcanoes have erupted to build great submarine mountains.
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In places, volcanoes have erupted to build great submarine mountains. 在有的地方,火山喷发后会形成巨大的水下山

There are thought to be around thirty thousand such volcanoes
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There are thought to be around thirty thousand such volcanoes 据估计海底共有30000座火山

The Ethiopian volcanoes are dormant,
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The Ethiopian volcanoes are dormant, 埃塞俄比亚的火山正处于休眠期

Volcanoes form the backbone of the longest mountain chain on our planet -
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Volcanoes form the backbone of the longest mountain chain on our planet - 火山构成了地球上最长山系的主干