(每日一词)radioactive

radioactive-waste

Radioactive  /ˌreɪ.di.oʊˈæk.tɪv/ adj. 具有放射性的;有辐射性的

英文释义:having or producing the energy that comes from the breaking up of atoms 


词根:rad-, radio-辐射

词汇:active 活跃的


e.g. Uranium is a radioactive material. 铀是一种放射性物质。


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