To wags during the cold war, ground zero was a favoured spot: better to be incinerated in the first mushroom cloud, they joshed, than to wake up to a world of radioactive rubble.

对于冷战期间诙谐幽默的人来说更愿意选择地面零点：他们冷嘲到，在第一个蘑菇云出现时就被烧死总比过后意识到全世界到处都有放射性物质要好。

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I turned around and watched a white mushroom cloud rise up about a mile away.

我转过身来，看见一英里远的地方升起白色的蘑菇云。

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This is because the tremendous heat produced from a nuclear blast causes an up-draft of air that forms the familiar mushroom cloud.

这是因为核爆产生的大量的热能会把空气往上吸入，形成令人熟知的蘑菇云状。

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"When police shut these Web sites down, they just mushroom up some other place, " he said.

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They turned up at Big Mushroom studios to lay down their first recordings which were produced by Jim Spencer.

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Now, as more and more horses are kept for recreation, the mushroom has popped up again.

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