化石燃料和毁林排放的碳分子滞留于大气中，经过许多世纪才能分解掉。
Carbon molecules emitted by fossil fuels and deforestation linger for many centuries in the atmosphere before breaking apart.
高温气冷堆乏燃料元件的放射性裂变产物绝大部分滞留在燃料元件中。
The majority radioactive fission products of the spent fuel elements in high temperature gas-cooled reactor(HTGR) is contained in the fuel element.
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