exo·bi·ol·o·gy /ˌɛksobaɪˈɑləʤi/
  外空生物學
  exo·bi·ol·o·gy /-baɪˈɑləʤɪ/ 名詞
  宇宙生物學
  exobiology
       n : the branch of biology concerned with the effects of outer
           space on living organisms and the search for
           extraterrestrial life [syn: space biology, astrobiology]