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| English | Chinese |
| core meltdown An accidental overheating of the part of the nuclear reactor where fission takes place, causing fuel elements and other parts of the reactor to melt, potentially leading to catastrophic consequences in which dangerous levels of radioactive materials would be released into the environment | 核溶解 (部分产生原子分裂的核能反应器意外过热，造成燃料元素和其他部分反应器熔解，可能造成危险性放射物质溢散至环境中的灾难性后果。) |