noun🔗Share放射性同位素, 放射性核素 A radioactive isotope of an element"Doctors use a radioisotope to scan for problems in the thyroid gland. "医生们使用放射性同位素来扫描甲状腺,以检查是否存在问题。chemistryphysicsmedicineelementsubstanceenergyscienceChat with AIVocabulary GamePractice Reading