radioactive fallout

基本解释

A considerable amount of our time has been [given to] cleansing your atmosphere of radioactive fallout and in more recent times the chemtrails.
我们相当多的时间被用来净化你们的放射性尘埃大气以及最近的飞机喷洒化学药剂。
Even if individuals are not close enough to the nuclear blast to be affected by the direct impacts, they may be affected by radioactive fallout.
即使个人离核爆炸的地点足够远，不会受到核爆的直接影响，他也可能受到放射性沉降物的危害。
Even the presence of the first human-produced chemicals like PCBs, radioactive fallout and the humble plastic bag could be measured millions of years hence.
甚至像多虑化联苯（PCBs）这些人类最早生产出的化学物、放射性坠尘和寒酸的塑料袋都会从此后数亿年内测量得出。

Meanwhile, fears over radioactive fallout here in the United States, which led to panic buying of an anti-radiation medicine and survival gear in the West, have been allayed for the time being by EPA findings that almost no radiation has survived the 5, 000 mile journey across the Pacific Ocean.
FORBES: Radiation Found in Food and Water in Japan [Updated]
Unlike a fallout shelter that protects from radioactive debris, the main purpose of the building was to protect from shock waves and overpressure.
FORBES: Connect