The radioactive dust will contribute to higher levels of uranium and radon . 放射性尘埃会形成铀和氡的高值。
The nuclides that were dispersed and settled as "fallout" varied in their effect upon living plants and animals . 作为“放射性尘埃”在大气中弥散和沉降的各种核素对生长着的动植物有着不同的影响。
The explosion will raise a cloud of radioactive dust 爆炸会伸起一片放射性尘埃蘑菇云