“放射物”用英语怎么说？

因放射物泄露而引起的运输事故可能会发生.Transportation accidents resulting in radiation releases could occur, as could thefts by terrorists.什么放射物会让人得白血病?What can radiative content let does the person get leukaemia?更多的放射物和宇宙射线也将给宇航员带来风险.More...