放射性同位素 Save Sign in to save words fàngshèxìngtóngwèisù ㄈㄤˋ ㄕㄜˋ ㄒㄧㄥˋ ㄊㄨㄥˊ ㄨㄟˋ ㄙㄨˋ radioactive isotope radioisotope Character by character 放(fàng)put 射(shè)shoot 性(xìng)nature 同(tóng)like 位(wèi)position 素(sù)raw silk A Chinese word or character, or English Search Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0