an·ti·tox·in /ˌæntɪˈtɑksən/
  抗毒素
  an·ti·tox·in /ˌæntɪˈtɑksən/ 名詞
  抗毒素
  An·ti·tox·in, An·ti·tox·ine  n.  A substance (sometimes the product of a specific micro-organism and sometimes naturally present in the blood or tissues of an animal), capable of producing immunity from certain diseases, or of counteracting the poisonous effects of pathogenic bacteria.
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  antitoxin
       n : an antibody that can neutralize a specific toxin