Read Edit View history 放射性同位素 fàngshèxìngtóngwèisù radioactive isotope Origin Definitions Defs Strokes Stroke Words Sentences Sents Senses Add sense 放射性同位素 fàngshèxìngtóngwèisù radioactive isotope radioactive isotope; radioisotope Edit Delete References Add reference No references for this word.