埃特纳火山位于意大利南部，是欧洲最高的活火山。
Located in southern Italy, Etna is the highest active volcano in Europe.
该火山位于红海南部偏远的厄立特里亚地区，这里的人口非常的稀少。
The volcano is situated in the remote Southern Red Sea Region of Eritrea, a thinly populated area.
这些火山位于直径约一千米的洼地中。洼地中间是一个充满泥水的圆形湖。
The very volcanoes are located in hollows, about half a kilometer in diameter. In the center of a hollow there is a round lake filled with mud.
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