The radioactive wastes release a lot of energy due to radioactive disintegration . 由于放射性蜕变，放射性废料释放出大量的能量。
2.
Practically every atom had its origin in the tiny violence of a radioactive disintegration some time within the past few billion years . 实际上每个原子都来源于过去几十亿年中某一时刻放射性分裂的微小激变。
