直到十年前，大多数科学家认为只有火山才有这样的能量。

Until a decade ago, most scientists thought that only a volcano had such energy.

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坦博拉火山爆发后漫长的十年被称为“没有夏天的年月”。

The year after Tambora’s explosion was known for a long time as the “year without a summer”.

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在最近几十年的喷发活动中，尼拉贡戈火山已经两次将熔岩抛向了戈马城。

Twice in recent years Nyiragongo's eruptions have sent molten rock flowing toward the city.

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