an atom bomb that leaves considerable radioactive contamination
dirty bomb的用法和样例:
例句
A dirty bomb releases enormous amounts of long-lived radioactive fallout. 脏弹会释放出无数长寿命的放射性尘埃。
Earlier this year government inspectors smuggled enough radioactive material to make two dirty bombs across two different border crossings. 今年早些时候,有政府检验人员通过两个边境站走私进了足以制造两颗脏弹的核材料。