然而，根据国家海洋和大气管理局的海洋废弃物方案，海啸产生的碎片受放射性物质污染是非常不可能的。
However, it's highly unlikely the tsunami-generated debris would be contaminated with radioactive material, according to the National Oceanic and Atmospheric Administration's Marine debris program.
法国电力公司发言人说，23日法南部的一个核反应堆的管道发生泄露，造成该公司100名工作人员受轻微放射性物质污染。
Radioactive particles spewed from a pipe at a nuclear reactor in Tricastin of southern France Wednesday, slightly contaminating 100 employees, said a spokeswoman for electric company EDF.
核爆炸会释放出高能量的光和热，破坏力巨大的压力波，而且四处飘散的放射性物质会污染数周围英里内的空气，水，和地表。
A nuclear blast is an explosion with intense light and heat, a damaging pressure wave, and widespread radioactive material that can contaminate the air, water, and ground surfaces for miles around.
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