a poisonous substance, especially one that is produced by bacteria in plants and animals 毒素(尤指生物体内细菌产生的毒物) The algae kills off plant and animal life and, in some cases, produces dangerous toxins. 藻类会大量杀死生物体,并在某些情况下产生危险的毒素。
Word Originlate 19th cent.: from toxic + -in.