以下为句子列表：
英文: A former KGB agent who died from poisoning reportedly had a radioactive substance in his body.
中文: 中毒身亡的前苏联国家安全委员会(克格勃)特工被报道体内有放射性的物质。
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英文: A stream of particles or electromagnetic waves emitted by the atoms and molecules of a radioactive substance as a result of nuclear decay.
中文: 核衰变产生的微粒或电磁波放射物的原子或分子由于核衰变放出的一束微粒或电磁波
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