During that period it became clear that a partial meltdown had taken place in at least one of the six reactors.
在此期间才清楚，六个反应堆里至少有一个发生了部分的熔毁现象。
The levels were not unsafe, but may have provided more evidence that a partial meltdown had occurred in at least one reactor.
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。
A partial meltdown can occur when radioactive fuel rods, which normally are covered in water, remain partially uncovered for too long.
通常燃料棒处于水中，一旦有部分长时间暴露于水的话，就会熔化。
Reports suggest there was a partial meltdown and that the zircalloy rods began to "bubble". This was why the reactors were flooded with sea water.
报告表明有一部分溶毁并且锆棒气泡化，因为反应堆被海水淹没。
Nuclear engineering experts say the evidence points to severe damage to the uranium fuel rods in Fukushima Daiichi unit 1, a situation they classify as a partial meltdown.
核工程方面专家指出，证据表明福岛Daiichi1号机组的铀能源棒已有严重损坏，可断定为部分熔毁。
However, so far it seems more likely to resemble the Three Mile Island (TMI) accident in Pennsylvania in 1979 which, like Fukushima, lost coolant and had a partial meltdown.
但是，目前为止和福岛核事故最相像的是1979年发生在美国宾夕法尼亚州的三里岛事故，那次事故也是冷却出现了问题导致了核反应堆差点儿融化。
If you've been following the news, you've seen some pretty alarming stuff going on at this plant — terms like "explosion," "partial meltdown," "evacuation," and "radiation exposure." Scary stuff.
如果你这几天一直在关注新闻，你肯定会注意到这处核电站遭遇了类似“爆炸”、“部分熔化”、“泄露”以及“辐射曝露”这些相当紧急的状况。
If you've been following the news, you've seen some pretty alarming stuff going on at this plant — terms like "explosion," "partial meltdown," "evacuation," and "radiation exposure." Scary stuff.
如果你这几天一直在关注新闻，你肯定会注意到这处核电站遭遇了类似“爆炸”、“部分熔化”、“泄露”以及“辐射曝露”这些相当紧急的状况。
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