Doing that in many of the forests of the western US is like building homes on the side of an active volcano.

在美国西部的许多森林里那样做就像在活火山边上建房子一样。

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Welcome to Mount Kilauea, the world's most active volcano. It is on the island of Hawaii.

欢迎你来到基拉韦厄火山，这是世界上最活跃的火山，它位于夏威夷岛。

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The active undersea volcano could allow scientists to understand how life on Earth may have originated in such underwater environments.

这一海底活火山让科学家们明白了地球生物如何在这样的水下环境中诞生。

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"Because there are only a couple of previous records of eruption at this particular volcano, it is difficult to judge either how long the activity will go on there, or how long the volcano might then be dormant before it goes active again."

VOA: standard.2010.04.15

We pass a white wall of mountains off to the left and, on the right, an active volcano with steam curling out of the vent.

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In a New York magazine story, she describes living in Indonesia in her early 20s, where she suffered hepatitis, had her leg operated on without benefit of anesthesia, and almost fell into an active volcano.

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"On the east coast, you can find the still-active Arenal volcano where you can zip line next to it through the jungle canopy as it puffs gaseous steam and molten lava, " Amerson said.

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