radioactive
adj
having atoms that break up and send out radiation which canpenetrate opaque bodies and sometimes produce harmfulelectrical effects 放射性的; 有輻射能的
Radium and uranium are radioactive elements. 鐳和鈾是放射性元素.
,radioactive `fall-out, ie dust carried by winds around the earth after a nuclear explosion, etc 放射性微粒回降(核爆炸等之後放射性塵埃隨風(fēng)散落到地面)
radioactive waste, ie waste material from nuclear power-stations, etc 放射性廢料(核電站等產(chǎn)生的核廢料).
?? 考研助記
radio(收音機(jī))+active(活動(dòng)的): 放射引起的
?? 同詞根單詞
radiatevt. 輻射;發(fā)射;使向周圍擴(kuò)展;
vi. 射出;發(fā)散;發(fā)光;
adj. 輻射狀的;射出的;