noun🔗Share钋 A rare, highly radioactive chemical element (symbol Po) with atomic number 84."Because of its extreme radioactivity and toxicity, working with polonium requires specialized equipment and strict safety protocols. "由于钋具有极强的放射性和毒性，因此使用钋需要专门的设备和严格的安全措施。elementchemistrysubstancematerialscienceChat with AIVocabulary GamePractice Reading
