火山喷发后，小城落了一层火山灰。
火山灰开始从火山口喷出。
墨西哥科利马山昨晚开始喷发熔岩和火山灰。
Mexico's Mount Colima began spewing lava and ash last night.
这座火山向空气中喷发了新的岩浆和火山灰。
The volcano threw new showers of magma and ash into the air.
火山喷发，将炽热的火山灰洒落在一大片地域上。
该火山喷出了更多灼热的火山灰、各种气体和岩石。
The volcano spewed out more scorching volcanic ashes, gases, and rocks.
火山灰覆盖着大理石钻石图案的地板，还漂浮在消防水管的污水池里。
Ash covered the marble diamond-patterned floor and floated in large pools of greywater from the fire hoses.
届时如果火山灰云飘向另一个方向，飞机可能会被指示绕开或在其上方飞行。
If the ash cloud were to drift in another direction, flights could be sent around or above it.
罗马人观察到，当火山灰与水混合然后冷却，火山灰变得非常坚硬，几乎不可能分解。
The Romans observed that, when volcanic ash mixes with water and then cools, it gets extremely hard and almost impossible to break up.
1982年，一名飞行员在印度尼西亚的爪哇岛遇到了从喷发的加隆贡火山喷发出的火山灰羽。
A pilot encountered an ash plume from the erupting Mount Galunggung in Java, Indonesia in 1982.
有时，动物和植物被浸泡在焦油或流沙中，被困在冰或熔岩流中，或被迅速落下的火山灰吞没后被保存下来。
On occasion, animals and plants have been preserved after becoming immersed in tar or quicksand, trapped in ice or lava flows, or engulfed by rapid falls of volcanic ash.
纽约大学的气候模拟专家Mike Rampino 的计算机模拟显示，由此产生的火山灰云可能使该地区陷入黑暗。
Computer simulations by Mike Rampino, a climate modeler from New York University, show that the resulting ash cloud could have plunged the area into darkness.
一大片火山灰正在向菲律宾的大块区域扩散。
A cloud of volcanic ash is spreading across wide areas of the Philippines.
还有人认为，注入大气的火山灰保护地球免受太阳辐射，并开启了一段冰河时代。
Still others argue that volcanic dust injected into the atmosphere shields Earth from the Sun's rays and initiates an ice age.
该城建立在火成岩与火山灰上。
他们忽视了山体被火山灰腐蚀的迹象！
They ignored the erosion of the mountain by the volcanic ash!
密布的火山灰意味着返回伦敦无望了。
The ash cloud means that returning to London looks hopeless.
但这并不意味着总能喷发出微粒火山灰。
But that does not mean the volcano produced fine ash continuously.
厄立特里亚火山：火山灰阻断东非空中交通。
这两个激光雷达均非出自火山灰监测的需要。
Neither has been driven by the needs of volcanic ash monitoring.
炽热的火山灰和火山渣从爆发的火山纷纷喷发落下。
火山爆发的火山灰引起的飞机停飞会有多久呢？
How long is the ash from this eruption going to keep planes on the ground?
色彩因火山灰而更强烈了吗？
为什么近期冰岛的火山爆发制造了这么多火山灰？
Why did the recent volcanic eruption in Iceland create so much ash?
因为火山灰把阳光挡住了。
火山大爆发将厚重的火山灰铺到了平流层。
Large volcanic eruptions spread cooling palls through the stratosphere.
不行。因为火山灰是岩石微粒，也可以刮伤挡风玻璃。
No, because the ash-the ash is pulverized rock-it can scratch up the windshield, too.
不行。因为火山灰是岩石微粒，也可以刮伤挡风玻璃。
No, because the ash-the ash is pulverized rock-it can scratch up the windshield, too.
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