tri·io·do·thy·ro·nine /ˌtraɪˌaɪədoˈθaɪrəˌnin/
  三碘甲腺原氨酸
  tri·io·do·thy·ro·nine /ˌtraɪˌaɪədoˈθaɪrəˌnɪn/ 名詞
  tri-iodothyronine
       n : thyronine with three iodine atoms added
  triiodothyronine
       n : thyroid hormone similar to thyroxine but with one less
           iodine atom per molecule and produced in smaller
           quantity; exerts the same biological effects as thyroxine
           but is more potent and briefer [syn: liothyronine, T]