As the rods heat up, their zirconium cladding can rupture, which releases gaseous radioactive iodine inside, and may even cause the uranium to melt and release much more radioactive material.
当燃料棒温度上升时,它们表面的锆会破裂开来,在内部释放出气态的放射性碘,也许甚至会导致铀熔化并释放出更多的放射性物质。
Cell phones cannot cause cancer, because they do not emit enough energy to break the molecular bonds inside cells.
手机并不能导致癌症,因为它们放射的能量不足以破坏细胞内的分子链。
With irradiation from the inside as well as out, it may take much less to cause genetic changes and impair growth and reproduction, even if it's still not enough to kill the species.
在内部和外部放射性同时刺激下,可能只需要更小剂量的辐射就能引起它们的基因改变,并影响它们的生长和繁衍,即使这些辐射仍然不足以杀死这些物种。
Too much time inside the house using a computer or watching television can cause someone to get cabin fever.
VOA: special.2010.03.28
There is a risk that giving a patient a strong blood thinner during a stroke can cause bleeding inside the brain.
VOA: special.2009.09.22
People can also cause a blockage when they try to clean out their ears, but only push the wax deeper inside.
VOA: special.2010.03.31
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