The extremely powerful toxin Ricin, produced in the seeds of the castor oil plant, can kill you if you inhale even one milligram, which has made it popular for assassination attempts and biological warfare around the world.

蓖麻油植物种子中产生的毒性极强的蓖麻毒素，只要你吸入一毫克，就会致命，这使得它成为世界各地暗杀企图和生物战的常用武器。