The following month, an accident at a reactor at Chernobyl in Ukraine spread radioactivity over Europe and despair in the Western world's nuclear industry.

接下来的那个月，乌克兰的切尔诺贝利核电站的一个反应堆发生了场事故，将辐射散发到整个欧洲，使西方世界的核工业感到绝望。

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"We do not know how much radioactivity was emitted through Fukushima and how it will spread throughout the world," he said.

我们不知道福岛泄露了多少核辐射，也不知道它们将怎样在世界范围内传播，“他说。”

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In the worst-case scenario, the fuel can spill out of the containment unit and spread toxic radioactivity through the air and water.

最糟的情况是，燃料会从容器单位中洒出，有毒的辐射会进入空气和水中。

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In fact, unlike Fukushima, Chernobyl had no containment structure whatsoever to limit the spread of radioactivity.

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But they call for special attention due to the implications of spread of radioactivity with long term consequences including genetic effects on the population and the long time span required to bring back normalcy to the environment.

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The spread of radioactivity from Japan to China, and across the Pacific to the US is most unsettling as it may impact food prices, the ability to supply cheap energy through nuclear power and the supply chain of automotive and electronic goods to the US and other developed economies.

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