随着顶部压力的解除，火山激烈喷涌出大股的岩石、灰尘、气体和蒸气，降落下来后覆盖了数百平方英里范围内的森林。
Relieved of the overlying pressure, the volcano ejected a blast of rocks, ash, gas, and steam that blew down and buried several hundred square miles of forest.
大气层中水蒸气几乎都来源于蒸发作用、蒸腾作用、升华作用再加上火山释放的水蒸气。
Together, evaporation, transpiration, and sublimation, plus volcanic emissions, account for almost all the water vapor in the atmosphere.
热与冰的交互作用把岩浆雾化成比通常的火山灰更为纯净的微粒，同时，它产生的蒸气云把火山灰送到了比通常更高的高空。
The interaction of heat and ice atomized the magma into much finer particles than is typical, and created a steam cloud that sent the ash higher than usual into the air.
自火山喷发以来，纳布诺火山的山顶一直被大量的水蒸气，气体及火山灰所遮盖。
Since the beginning of the recent eruption, a dense plume of water vapor, gas, and ash has concealed the summit of the Nabro volcano.
黎明时分，我喜欢坐在木板路上，倾听水蒸气从火山口渗透的声音。
I like to sit on the boardwalk as the dawn paints the scene while listening to the sounds of steam percolating from the vents.
地震学家们发现小地震越来越多，喷气口(fumarole)开始活动，火山口不断有微小的火山灰和水蒸气喷发出来。
Seismologists registered an ever increasing number of small earthquakes, fumaroles began to vent, and minor eruptions shot ash and steam out of its crater.
当您看到火山喷发时喷涌而出的白色浪云时，云朵中大部分是水蒸气。
When volcanoes erupt and you see a white billowing cloud hurtling to the sky, much of that is water vapor.
当您看到火山喷发时喷涌而出的白色浪云时，云朵中大部分是水蒸气。
When volcanoes erupt and you see a white billowing cloud hurtling to the sky, much of that is water vapor.
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