If it had hit the Earth, it would have made a crater 100 miles across and thrown up an immense cloud of dust.
如果它撞上了地球，就会砸出一个100英里宽的大坑并扬起巨大的尘埃云团。
The limousine sped off down the road in the proverbial cloud of dust.
那辆豪华轿车沿着公路向前飞驰而去，车后扬起了俗话说的滚滚尘土。
The dust behind us grew closer and thickened into a cloud.
我们身后的尘土越来越密，变成了浓密的一团。
It is hypothesized that the primordial cloud of dust and gas from which all the planets are thought to have condensed had a composition somewhat similar to that of Jupiter.
据推测，所有行星都是由尘埃和气体组成的原始云团凝聚而成，其组成与木星的组成有些相似。
They combine with dust particles from the comet to form a huge cloud.
它们与来自彗星的尘埃颗粒结合在一起，形成了巨大的云团。
Scientists first identified this impact in 1980 from the worldwide layer of sediment deposited from the dust cloud that enveloped the planet after the impact.
1980年，科学家首次在从尘云中沉淀下来的全球范围的沉积层中识别出这种撞击，这些尘云在撞击后围绕着地球。
A car sped past, raising a cloud of dust.
汽车飞驰而过，卷起一阵尘土。
The horses' hooves raised a cloud of dust.
马蹄翻飞，扬起一片尘土。
A cloud of dust rose as the truck drove off.
卡车开过时扬起一片灰尘。
The hens darted away on all sides, raising a cloud of dust.
母鸡四处飞奔，扬起一团尘土。
A jeep trailing a cloud of dust was speeding in my direction.
一辆吉普车拖着一股扬尘，朝我疾驰而来。
They saw first a cloud of dust and then the car that was stirring it up.
他们先是看到一团尘土，接着就看到扬起尘土的那辆车。
它是一团尘埃。
Faced with any situation that can't be solved by the sheer force of activity, they generate a dust cloud of impatience.
面对任何单凭行动的力量无法解决的情况，他们会产生不耐烦的情绪。
He wasn't burned because the survival kit attached to him by a long cord hit the ground first, throwing up a dust cloud that put out the fire in a 10-foot circle. He was surrounded by flames.
原来，由于他身上还有一根长长的绳子，绳子的另一头是他的野外生存套装背包，而背包先落地，把地面尘土高高扬起，瞬间把直径10英尺范围内的火焰给灭了，结果他没有被烧伤。
Though they are strikingly visible in this image from Spitzer's infrared array camera, they are completely obscured in visible light, buried within the core of the surrounding dust cloud.
尽管它们在斯比策的远红外摄像机的图片里非常醒目，仍在云雾区域的中心地带发出的强光之下黯然失色。
As a result, parts of the dust cloud have become stratified, pointing toward Merope.
其效果是，部分尘埃云分层指向墨洛珀。
In another incident in the 1980s, a British Airways 747 flew into a dust cloud and the grit sandblasted the windscreen. The pilot had to look out a side window to land safely.
还有一次事故也是发生在上世纪八十年代，当时英国航空公司的一架波音747客机也是飞入尘云之中，沙砾全都喷在了挡风玻璃之上，飞行员只能面朝侧窗才将飞机安全着陆。
Fresh from his honeymoon, Hazem Gamal heard his wedding ring drop as he fled into a toll booth by the Brooklyn Battery Tunnel to escape the dust cloud from the crumbling south tower.
HazemGamal刚度完蜜月，还处在新婚的甜蜜中。当时，世贸大厦南楼逐渐坍塌，在周围形成了如乌云般的尘土，为了逃避，他躲进了布鲁克林隧道的街边收费亭，这时他听到了婚戒掉落的声响。
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。
Sculpted by stellar winds and radiation, a magnificent interstellar dust cloud by chance has assumed this recognizable shape.
由恒星风和恒星辐射雕塑的壮丽的星际尘埃云，碰巧呈现这易辨认的形状。
Traveling, you realize that differences are lost: each city takes to resembling all cities, places exchange their form, order, distances, a shapeless dust cloud invades the continents.
旅行时你会发现各地并没有差别：每个城市都与其他城市相似，城市互换形式、秩序以及距离，飘渺的尘雾漫绕大地。
The bright red bowl, or arc, seen in this image traces the outer surface of the dense dust cloud encasing the young stars.
图中可见红色的弧形，它是一层致密气体的外层表面，这层气体则遮盖着那些年轻的恒星。
她那强大的尘云。
Severe wind storms in the west of New South Wales have blown a dust cloud that has engulfed Sydney and surrounding areas.
在新南威尔士州西部有严重的暴风雨吹尘云席卷悉尼及其周边地区。
They concluded that what Hubble had seen was probably just a transient dust cloud.
于是他们总结道：哈勃望远镜拍摄到的可能只是瞬间形成的粉尘云。
Overall, half of the respondents said they had been in the dust cloud from the collapsing towers;70 percent witnessed a traumatic sight, such as a plane hitting the tower or falling bodies;
总体来看，有一半的受访者称当时他们被笼罩在大楼倒塌产生的巨大烟尘中，70%的人亲眼目睹了飞机撞上大厦和尸体横飞的恐怖场景；
The elusive Planet X is, however, shrouded by a dust cloud that bounces sunlight back to the Sun, except for those rare moments when the angle of reflection is just right.
行星X行踪飘忽，躲躲藏藏，被尘埃云雾包裹着，除了反射角度刚刚好的稀有时刻外，都将阳光反射回了太阳。
As a result of this event, a great dust cloud formed in the sky blocking out the sunlight.
这个事件的结果就是，天空形成了一团团的灰尘，遮蔽了阳光。
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