释义 |
放射性fàngshèxìng 1.某些元素(如镭、铀等)的不稳定原子核自发地放出射线而衰变成另外的元素的性质。{radioactivity; property of certain radioactive elements (e.g. radium, uranium, etc.) of giving off rays spontaneously, and in the process of disintegrating into another element} 2.医学上指由一个痛点向周围扩散的现象{pain spreading from a centre to surrounding parts of the body}◇~影响。{radioactive effect} |