主要的问题在于这些盐中又多少还溶于水中，又有多少现在在铀燃料棒表面形成了一层外壳。
The big question is how much of that salt is still mixed with water and how much now forms a crust on the uranium fuel rods.
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。
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。
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.
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