Still others argue that volcanic dust injected into the atmosphere shields Earth from the Sun's rays and initiates an ice age.
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。
Were the colours made more intense by volcanic dust?
色彩因火山灰而更强烈了吗？
Maelifellssandur volcanic dust desert in Iceland.
在冰岛的火山灰尘Maelifellssandur沙漠。
One will remain entirely off limits because of the threat of volcanic dust.
一个地区由于火山灰的威胁，将完全禁止飞行。
One will remain entirely off limits because of the threat of volcanic dust;
第一个，由于火山灰的威胁仍将完全关闭。
One theory is that it is caused by charge-inducing collisions in volcanic dust.
有推论说，由于火山尘埃带电物质相互撞击而诱发火山闪电。
While undeniably beautiful from afar, Mount Fuji close up is a huge slab of volcanic dust and rock.
从远处看富士山有一种无可置疑的美丽，但是到了山上，看到的只是一大片火山灰和岩石。
Gases and minerals, in the form of volcanic dust trapped in the ice, can tell us a lot about what the world's climate was like in past ages.
各种气体和矿物质都以火山灰的形式被封存在冰体里，它们能告诉我们许多过去的关于世界气候的信息。
The dangers from volcanic dust are well known, no secret, and one of the main reasons we have warned that drinking water should be distilled after the pole shift.
火山灰造成的危崄是众所周知的，并非什么秘密，这也是我们警告极移后的水应当被蒸馏的原因之一。
The famous modern example was the 1815 eruption of Mount Tambora in Indonesia, which ejected so much volcanic dust and rock into the stratosphere it caused what is known as "the year without summer."
1851年印度尼西亚的坦博拉火山爆发是一次著名的现代事例，那次爆发将大量的火山灰和火山岩喷入平流层，造成了所谓“没有夏天的一年”。
Dust from volcanic eruptions that blocks the Sun's warming radiation has been proposed as an explanation alternative to Milankovitch cycles for the cause of ice ages.
来自火山喷发的灰尘阻挡了太阳温暖的辐射，这被认为是导致冰河时代的另一种解释。
Of course, solar activity is just one natural source of climate variability. Volcanic eruptions are another, spewing gas and dust into the atmosphere.
当然，太阳活动仅仅是气候变化的一个自然因素，火山喷发出气体和尘埃进入大气层也会带来这个结果。
Natural aerosols are produced by sea salt, desert dust, volcanic eruptions and smoke from forest fires.
天然的浮质是由海盐、沙漠灰尘、火山爆发物与森林火情的烟雾产生的；
Dust storms, volcanic eruptions, wildfires, and salt spray from the winds over the ocean are the most common and abundant producers of aerosols.
由风传来的的沙尘暴、火山灰、野火灰以及来自海洋的浪花都是悬浮微粒最为普遍、最为丰富的来源。
If there is a lot of dust from a volcanic eruption, for example, the lunar surface may turn a dark brown, but if the atmosphere is clear, it may turn a striking blood red.
举个例子，如果空气中有一些火山爆发时产生的灰尘，月亮表面会变成暗棕色，但如果大气是干净的，它将变成明亮的血红色。
The microscopic dust and glass particles in volcanic ash can act like the smog particles that hover above cities and change the color of sunrises and sunsets.
火山尘埃中微小的粉尘与玻璃粒子就像飘浮在城市上空的烟雾颗粒，改变了日出日落的色彩。
"We heard two loud bangs... the sky was filled with dust like a volcanic eruption, and flood waters, mud and rocks streamed onto the roads," she said.
“我们听到两声巨响…天空一片尘土，就像是火山喷发，然后洪水、泥浆夹杂着岩石倾泻到公路上，”她说。
The reason why the dust cloud has grounded planes is because volcanic ash can clog up aeroplane engines and cause serious damage
灰云让航班不得不滞留在地面，是因为火山灰会阻塞飞机的发动机并且导致严重损坏。
The dust cloud is a result of a volcanic eruption at the Eyjafjallajoekull glacier which erupted on March 20, for the first time since 1821.
这些灰云是埃亚·菲亚·德拉冰川上的火山3月20号爆发所产生的，这是从1821年以来这座火山的第一次喷发。
Both an impact from space and volcanic eruptions would have injected vast clouds of dust and other emissions into the sky, dramatically altering global climate and triggering die-offs.
空间和火山爆发的双重影响，将大量的灰尘及其它排放到空中，大大改变了全球气候和触发大灭绝。
Although it looks something like a volcanic eruption, this is actually a picture of a dust storm.
虽然看起来很像火山喷发，但这张图片实际上反映的是一场尘暴。
The enormous dust cloud may contain large amounts of silica, a natural component of rock that comes with these types of volcanic explosions.
巨大的火山灰云雾含有大量的二氧化硅——一种随著这种类型的火山爆发而来的自然成分。
The enormous dust cloud may contain large amounts of silica, a natural component of rock that comes with these types of volcanic explosions.
巨大的火山灰烟霭含有大量的二氧化硅- - - - -一种跟着这种类型的火山爆发而来的天然成分。
The sky was filled with dust like a volcanic eruption, and flood waters, mud and rocks streamed onto the roads, " she said."
“我们听到两声巨响…天空一片尘土，就像是火山喷发，然后洪水、泥浆夹杂着岩石倾泻到公路上，”她说。
The sky was filled with dust like a volcanic eruption, and flood waters, mud and rocks streamed onto the roads, " she said."
“我们听到两声巨响…天空一片尘土，就像是火山喷发，然后洪水、泥浆夹杂着岩石倾泻到公路上，”她说。
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