如果这些燃料棒暴露时间过长，释放出的热量和蒸汽将熔化反应堆的核心。
If those things are exposed for too long, the heat and steam that they let off could melt the reactor's core.
周二一早，令人恐惧的消息传来，日本一座核电站受损的反应堆面临完全熔化的风险，后果不得而知，可能是毁灭性的。
Early Tuesday morning, the frightening news came that Japan was facing the full meltdown of crippled reactors at a nuclear power station - with unknown and potentially catastrophic consequences.
他们还说福岛核电站三个反应堆里的3%的燃料已经遭到严重损坏，这意味着这些反应堆已经部分熔化了。
They also said that 3 per cent of the fuel in three of the reactors at the Fukushima plant had been severely damaged, suggesting those reactor cores have partially melted down.
级别处于安全，但是，这一证据说明至少一个反应堆发生了局部熔化。
The levels were not unsafe, but may have provided more evidence that a partial meltdown had occurred in at least one reactor.
由于3个核反应堆出现熔化现象，为了使工作人员能在核电站工作更长的时间，有关部门已经对该核电站工作人员的全年辐射量上限从之前的100毫希沃特进行上调。
The limit was raised from 100mSv a year early in the crisis to allow workers to spend more time at the plant, where nuclear fuel in three reactors suffered meltdowns.
首先需要说明的是，“熔化”并不是什么精确定义的专业术语，在用来衡量反应堆状况时，这个词显得相当无用。
First of all, a "meltdown" is not a precisely defined term, which makes it fairly useless as an indicator of what's going on.
全部三个失事的反应堆都至少出现了堆芯部分熔化。
All three distressed reactors are thought to have at least partly melted down.
他们知道如果一个核反应堆熔化，这会成为影响巨大范围和大量人民的主要灾难，他们牺牲自己的生命试图阻止这一切。
They know that if there is a reactor meltdown it could be a major disaster affecting huge areas and massive Numbers of people, and they are risking their lives to try and prevent that.
现在，卵石层反应堆有相同的基本，安全特征和高温棱柱反应堆一样，因为它有一个熔化的核心。
Now the pebble bed reactor has the same basic safety features as a high temperature prismatic reactor in a sense that it has a meltdown free core.
尽管日本今年发生核反应堆机芯熔化的灾难，它的邻国韩国正在对其民用核工业进行扩张。
Despite this year's nuclear reactor meltdowns in Japan, its neighbor South Korea is moving ahead with an expansion of its civilian nuclear industry.
如果核心得不到持续冷却，热量累积依然会在反应堆关闭之后导致核心熔化。
If the core isn't continuously cooled, there's still enough heat that can still cause a meltdown even after it's been "turned off."
宫崎骏宣称这个建筑很久以前包含一个熔化的原子反应堆。
Miyazaki has claimed that the building contains a nuclear reactor that has long since melted down.
日本官房长官枝野幸男说，福岛反应堆芯的燃料正在熔化，否认已经损坏。
Yukio Edano, the government's chief spokesman, said that it was possible the core reactor had been "deformed" by its exposure above water, but he denied that it was a meltdown.
电站的三个反应堆都已出现部分熔化现象，电站方面还承认，核燃料棒可能都已熔化并且毁坏。
The power company said a complete meltdown is possible at the plant, where three reactor cores are believed to have partially melted.
电站的三个反应堆都已出现部分熔化现象，电站方面还承认，核燃料棒可能都已熔化并且毁坏。
The power company said a complete meltdown is possible at the plant, where three reactor cores are believed to have partially melted.
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