So are mushroom clouds, in their own way.

蘑菇云也一样。

The initial explosion looked like a mushroom cloud going up into the air.

爆炸刚发生时，城市上空就升腾起巨大的蘑菇云。

The mushroom cloud reaches the outer reaches of the stratosphere, pushing up against space itself.

产生的蘑菇云可以到达平流层的最高处，挤压着太空。

This is the end of days, and you were just seeing massive, roiling mushroom clouds.

这就是世界末日，你看到的只是巨大的、翻滚的蘑菇云。

Much of the fallout is carried high into the atmosphere by the mushroom cloud and carried around the planet.

大部分放射性粒子会随着爆炸云进入大气层并被暴露在这个星球上。

The blast flattened much of the city's port, damaging buildings and sent a giant mushroom cloud into the sky.

爆炸将这座城市的大部分港口夷为平地，毁坏了建筑物，瞬间在空中升腾起巨大的蘑菇云。

What I've been showing on this scale is only the size of the mushroom cloud that the bombs produced.

我在这里展示的规模只是炸弹产生的蘑菇云的大小。

Because if those pills are based on subatomic compression, you could get a more curable cancer just walking through the mushroom clouds.

如果药丸是基于亚原子合成的，那么走过蘑菇云，你们就可能会得不少可治愈的癌症。

Find a position where you can observe that mushroom cloud of doom.

找到一个可以观察厄运蘑菇云的位置。

I'm going to be a mushroom cloud of casual.

我现在就是一颗“随性”号原子弹。

Close one eye and compare the size of your thumb to the size of the mushroom cloud.

闭上一只眼睛， 将拇指的大小与蘑菇云的大小进行比较。

Some likened it to a nuclear explosion even as a mushroom cloud rose over the blast site.

一些人将其比作核爆炸，爆炸现场上空升起了蘑菇云。

If that mushroom cloud is bigger than your thumb, then you are in the radiation zone and you have 15 minutes to escape.

如果蘑菇云比你的拇指大， 那么你就在辐射区，你有 15 分钟的时间逃生。

What they hadn't really thought about is that we've all been living under a much larger cloud for decades -- potentially a mushroom cloud -- without giving it much thought.

他们没有真正想到的是，几十年来我们一直生活在一个更大的云下——可能是一个蘑菇云——而没有考虑太多。

Vaporized debris bonds with radioactive particles inside the cloud, creating  radioactive dust or " fallout." After about ten minutes, the red-hot vapor cools and condenses, and the mushroom cloud reaches its maximum height.

蒸发的碎片与云内的放射性粒子结合，产生放射性尘埃或“沉降物” 。 大约十分钟后，炽热的蒸汽冷却并凝结，蘑菇云达到最高高度。