radioactiveKK [ˏredioˋæktɪv] /ˌɹeɪdioʊˈæktɪv/形容詞1放射性的、有輻射的The site is still too radioactive for workers to enter safely.該場址的放射性仍太強,工人無法安全進入。2燙手的、極具爭議的、碰不得的比喻The topic became politically radioactive after the leaked report.報告外流後,這個議題在政治上變得碰不得。