the radioactive particles that settle to the ground after a nuclear explosion 同义词：fallout,
例句与用法
1.
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。
2.
The explosion will raise a cloud of radioactive dust 爆炸会伸起一片放射性尘埃蘑菇云
3.
Radioactive dust samplers 放射性尘埃取样器
4.
Radioactive dust monitors 放射性尘埃监测仪
5.
Following a relevant united nations general assembly resolution , the hong kong observatory started measuring radioactivity in 1961 to monitor radioactivity in air which might affect the health of the local population and to determine , as part of an international network , the global atmospheric transport of radioactive dust and other contaminated substances 根据联合国大会通过的相关决议，香港天文台于1961年开始监测大气中可能影响市民健康的放射性物质，并作为国际测量网的一部份，测定大气中放射性尘埃及其他污染物的全球迁移情况。
6.
Following a relevant united nations general assembly resolution , the hong kong observatory ( hko ) started measuring radioactivity in 1961 to monitor radioactivity in air which might affect the health of the local population and to determine , as part of an international network , the global atmospheric transport of radioactive dust and other contaminated substances 根据联合国大会通过的相关决议，香港天文台于1961年开始监测大气中可能影响市民健康的放射性物质，并作为国际测量网的一部份，测定大气中放射性尘埃及其他污染物的全球迁移情况。
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