然而他们做梦也没想到，雨水时的尘埃微粒含有极强的放射性元素。
But they never imagined the particles contained in the rain had an array of radiation.
放射性微粒形成之后，可以飘到很远的地方，具体多远就看主风的速度和方向。
Radiation-emitting particles can then travel afar, depending on the speed and direction of the prevailing wind.
如果暴露在空气之中，可能会着火和爆炸，从而散发放射性微粒。
If left exposed to air, they may catch fire or explode, spreading radioactive particles into the air.
应用推荐