A new set of three dimensional velocity models beneath Etna volcano is derived in the present work.

本文的研究工作，得到了埃特纳火山下面的一组新的三维速度模型。

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In desperation, her unfathomable at Mount Etna volcano two pine torches lit to light up a whole world bright.

无奈之下，她在深不可测的埃特纳火山口点燃了两支松木火把，把整个世界照得一片通明。

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Located in southern Italy, Etna is the highest active volcano in Europe.

埃特纳火山位于意大利南部，是欧洲最高的活火山。

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

CNN: Keeping track of Etna's pulse