放射性核素 [－－－－－]

Jyutping fong3 se6 sing3 hat6 sou3
Pinyin fàng shè xìng hé sù

Definitions (CC-CEDICT)
  1. radioactive nuclide
  2. radionuclide
Definitions (Wiktionary)
  1. noun
    radionuclide