radioactiveKK [ˏredioˋæktɪv] /ˌɹeɪdioʊˈæktɪv/发音形容词1放射性的、有辐射的The site is still too radioactive for workers to enter safely.该场址的放射性仍太强,工人无法安全进入。2烫手的、极具争议的、碰不得的比喻The topic became politically radioactive after the leaked report.报告外流后,这个议题在政治上变得碰不得。用这个字练口说→