an antiserum (= a substance made from blood) that contains antibodies (= proteins produced to fight disease) against a particular poison, especially one found in the bite of a snake, spider, or other animal

Without antivenin, a coral snake bite victim will go into respiratory arrest. 如果没有抗蛇毒血清，被珊瑚蛇咬的人会进入呼吸停止状态。

We have treated more than 150,000 scorpion stings with this antivenom each year, with minimal side effects. 每年我们都用这种抗蛇毒血清治疗超过15万被毒蝎蛰的人，极少有副作用。

Snake antivenins are a man-made biological product. 抗蛇毒血清是一种人造产品。