... 据夏威夷州当地应急部门通告，对人们健康最大的威胁来自火山喷发后飘落的灰烬和地质活动在地表形成裂缝后排出的有毒气体(toxic gas)。 活火山 active volcano 休眠火山 dormant volcano ...
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an active volcano 一座活火山
Viewing an active volcano 观赏活火山
on active volcano 一个正在活动的火山
Jinlongdingzi active volcano 金龙顶子活火山
Diving Into an Active Volcano 潜入活火山
active e volcano 活火山
Chaiten Volcano Still Active 柴滕火山仍然活跃
Our results revealed significant low-velocity anomalies beneath Daisen volcano accompanying with swarm of earthquake, which suggest that Daisen is potentially an active volcano again.
结果显示：大山火山下存在明显的低速异常，伴随着大量的地震发生，表面该火山可能是潜在的活火山。
参考来源 - 区域地壳速度结构的天然地震成像研究·2,447,543篇论文数据，部分数据来源于NoteExpress
An active volcano may erupt at any time.
活火山会随时喷发。
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。
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。
Visitors can see how an active volcano adds mass to the island.
VOA: special.2010.09.08
"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
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