从事放射性物质工作是危险的。
当心，这个区域有大量放射性物质。
已经确认在一些蔬菜和牛奶中发现放射性物质。
The presence of radioactivity in some vegetables and milk has been confirmed.
几英里外，随着放射性物质的消散，辐射水平会低很多。
A few miles away, the doses would be much lower as the radiation dissipates.
很多家长担心孩子淋到含有放射性物质的雨水。
Many parents were worried about exposing children to "radioactive rain."
某些物种，例如海带，非常容易堆积放射性物质。
Some species, such as brown seaweed are extremely efficient at bioaccumulation.
如果缺水，它们将继续升温，并可能释放出大量放射性物质。
Without water, they will continue to heat up and possibly release a large amount of radiation.
你们使用这些放射性物质的时候一定要非常小心。
You must be careful when you use these radioactive material substances.
你们使用这些放射性物质的时候一定要非常小心。
这里还有第二类放射性物质生成，在燃料棒的外面。
There is a second type of radioactive material created outside the fuel rods.
股东减少了股票，就好像泄漏的不仅仅是石油，还是放射性物质一样。
Shareholders have dropped its stock as if it were not merely oily but radioactive.
对于日本东北部人民来说，他们要在这段不短的时间内一直面对放射性物质的威胁。
That is a long time for northern Japan to remain in radiation limbo.
但是尽管发生了这一切不幸，反应堆外壳并没有破裂，放射性物质的泄漏也非常有限。
But despite all that, the reactor vessels have held, and radioactive release is limited.
这些微量放射性物质达到了检出水平，我们当然能够检出极低含量的放射性。
They're trace levels but of course with radioactivity we can measure very low amounts.
爆炸的威力和大火夺走了至少31人的生命，并在大气中散发出放射性物质。
An explosion and fire killed at least 31 people and sent radioactivity into the atmosphere.
万一发生了大的破裂，这个系统就直接把放射性、物质排向大气。
In the event of a large rupture, the system would vent directly to the atmosphere.
这种物质放射性很强。
这个海滩上的物质经过放射性碳测定。
这个海滩上的物质经过放射性碳测定。
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