... 脏的，污浊的;使沾污;污垢：foul 脏材料(含细小夹杂物较多的材料)：dirty material 赞同，认可，核准：approval ...
双语例句
1
He was, they said, planning to build a dirty bomb that could scatter radioactive material over a city, probably Washington, DC.
官员说，帕迪拉正打算造一枚脏弹，可将辐射性物质遍布全城，目标也许是华盛顿特区。
2
And that larger amounts of other radioactive material, from discarded X-ray machines to spent fuel, might be used to make a dirty bomb.
其他大量的放射性材料，从废弃的X光机到核废料，可能被用于制造脏弹。
3
In Chernobyl the explosion was caused by excessive pressure buildup hydrogen explosion and rupture of all containments propelling molten core material into the environment (a "dirty bomb").