An animal or human serum containing antitoxins. It is used in medicine to prevent or treat diseases caused by the action of biological toxins, such as tetanus, botulism, and diphtheria.

• 抗毒素血清含有抗毒素的动物或人的血清。医学上用来预防或治疗由生物毒素，如破伤风杆菌、肉毒杆菌或白喉杆菌引起的疾病