氡子核在衰变时发射出放射性阿尔法粒子，这些粒子可附着于空气中的浮质、灰尘及其它粒子。
As radon progeny decay, they emit radioactive alpha particles and attach to aerosols, dust and other particles in the air.
放射性的烟雾会附着在农作物上……火灾甚至能在150公里开外对食物产生这种辐射浓聚物以至不利于食用。
Radioactive smoke landing on crops... even 150km or more from the fire can create such concentrations of radiation in food it will be harmful to eat.
村长佐藤为我们讲到，每次一刮大风，就会把附着在树叶上面的放射性元素铯[2]吹落，撒到下面的村子。
Every time a gust of wind blows, Mr Sato says it shakes invisible particles of radioactive caesium off the trees and showers them over the village.
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