类毒素

例句：

1. 1. Thebacteria produces a toxin that can causeserious illnesses.
   这种细菌会产生一种毒素，可能导致严重的疾病。
2. 2. The poisonous snakebites with such force that it's almost impossible to remove the toxinfrom the wound.
   这条有毒的蛇咬人时力量很大，几乎不可能将毒素从伤口中移除。
3. 3. Thescientist discovered a new typeof toxin that could beused as an antidote forcancer.
   科学家发现了一种新的毒素，可以作为癌症的抗毒剂。