Let's take Mount Etna for example.

让我们以埃特纳火山为例。

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It was the volcanoes Vesuvius and Etna that she meant.

她指的是维苏威火山和埃特纳火山。

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Mount Etna is one of the most active volcanoes on Earth.

埃特纳火山是地球上最活跃的火山之一。

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But as seismologist Horst Langer says, Etna's changing landscape is a hazardous working environment.

CNN: Keeping track of Etna's pulse

But trade here depends on the volcano and it is known as the gateway to Etna.

CNN: Keeping track of Etna's pulse

Every day, tiny earthquakes rock Mt Etna, which at 3, 300 meters high, dominates the island of Sicily in southern Italy.

CNN: Keeping track of Etna's pulse