| 单词 | radioactive |
| 释义 | radioactive adj having atoms that break up and send out radiation which canpenetrate opaque bodies and sometimes produce harmfulelectrical effects 放射性的; 有辐射能的 Radium and uranium are radioactive elements. 镭和铀是放射性元素. ,radioactive `fall-out, ie dust carried by winds around the earth after a nuclear explosion, etc 放射性微粒回降（核爆炸等之後放射性尘埃随风散落到地面） radioactive waste, ie waste material from nuclear power-stations, etc 放射性废料（核电站等产生的核废料）. |
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