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.
从空洞的根茎到表面的缝隙，水波沉静有力的起伏，在裂开的树皮下构成一方美妙的琥珀池。
The water pressed up steadily and noiselessly from the hollow roots and hidden crevices of they plane, forming a wonderful amber pool ere it split over the lip of bark on to the earth outside.
当变应原(例如花粉微粒)粘附到肥大细胞表面受体后，将引发爆炸反应，肥大细胞裂开并且分泌出部分内含物。
The explosive reactions are activated when an allergen (such as pollen particles) binds to receptors on the surface of the mast cell, which then opens and secretes part of its contents.
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