tox·ic /ˈtɑksɪk/ 形容詞
  Tox·ic, Tox·ic·al  a.  Of or pertaining to poison; poisonous; as, toxic medicines.
  ◄ ►
  toxic
       adj : of or relating to or caused by a toxin or poison; "suffering
             from exposure to toxic substances" [ant: nontoxic]