像宽干谷这样爆裂的火山口形成于蒸汽喷发的过程中，在那里，上升的岩浆与地表下的水接触形成了蒸汽喷发。
Volcanic explosion craters such as Dallol form during phreatic eruptions—where rising magma comes into contact with water beneath the surface of the Earth, causing a steam explosion.
我第一次看到喷发出来的烟灰是白色的，非常白，就像蒸汽一样。
When I first saw the eruption plume, it was a very white, steam-rich plume.
间歇泉似的喷柱不断喷发，泥浆翻腾着，而且蒸汽从峭壁和人行道上渐渐地渗漏出来，空气中留下了硫磺气味。
Geysers erupt mud boils and steam seeps from cliffs and sidewalks leaving a sulfurous scent in the air.
间歇泉似的喷柱不断喷发，泥浆翻腾着，而且蒸汽从峭壁和人行道上渐渐地渗漏出来，空气中留下了硫磺气味。
Geysers erupt, mud boils, and steam seeps from cliffs and sidewalks, leaving a sulfurous scent in the air.
他提及到：没有报告显示火山这次离岸喷发对当地居民造成威胁信风把火山喷发的燃气以及蒸汽带离了岛屿。
There was no sign the offshore eruption posed any danger to residents, he said, with trade winds blowing gas and steam away from the island.
船喷发出蒸汽，船身摇晃，我们从大岛出发，向着四个小岛进军。
The boat shook and shuddered as it steamed out to a cluster of four islets some way out from the main island.
从火山口喷发出的硫磺蒸汽硬化凝结后，就形成了那些闪着黄色亮光的硫磺岩块，矿工们小心翼翼的探到火山坑底，冒着生命危险搜集这些黄色亮块。
Miners tread down into the crater to collect blocks of bright-yellow sulfur, which forms when gaseous and molten sulfur emerges from fumaroles -- volcanic vents -- and hardens.
蒸汽从破损的管道里喷发出来。
除了熔岩流，埃特纳也几乎稳定、有节奏地喷发蒸汽、火山灰和熔融的岩石。
Besides lava flows, etna produces an almost constant, rhythmic discharge of steam, ash and molten rock.
阿拉斯加，蒸汽从山顶上的火山口喷发。
Alaska - Steam rises from the top vent in the summit crater of Mount Redoubt.
10月10日，一股蒸汽从圣海伦斯火山口喷发出来，这缕烟从白雪覆盖的火山口缓缓升起。
Mount St. Helens vented a new column of steam October 10, a lazy plume that rose out of the crater of the snow-dusted volcano.
10月10日，一股蒸汽从圣海伦斯火山口喷发出来，这缕烟从白雪覆盖的火山口缓缓升起。
Mount St. Helens vented a new column of steam October 10, a lazy plume that rose out of the crater of the snow-dusted volcano.
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