radioactivity
🇬🇧/ˌreɪdiəʊækˈtɪvəti/ 🇺🇸/ˌreɪdioʊækˈtɪvəti/ 17六级Radioactivity is the release of energy from the decay of the nuclei of certain kinds of atoms and isotopes.
noun [专属名词]放射性,放射现象;放射物(或其辐射)
Born Maria Sklodowska in Poland in 1867, she is famous for her work on radioactivity, and was twice a winner of the Nobel Prize. 她于1867年出生在波兰,原名玛丽亚·斯克洛多夫斯卡,以放射性研究而闻名,曾两次获得诺贝尔奖。
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