点击下方单词,选择对的这个单词
1. 放射性的;有辐射的Something that is radioactive contains a substance that produces energy in the form of powerful and harmful rays.
1. exhibiting or caused by radioactivity
e.g. radioactive isotoperadioactive decayradioactive fallout
多通过句子记忆单词,而不是单独死记硬背。