ri·cin /ˈraɪsṇ, ˈrɪ-/
  篦麻毒素
  ri·cin /ˈraɪsṇ, ˈrɪs-/ 名詞
  蓖麻毒素,蓖麻蛋白,蓖麻毒(蛋白)
  ricin
       n : a toxic protein extracted from castor beans; used as a
           chemical reagent; can be used as a bioweapon; "one
           milligram of ricin can kill an adult" [syn: ricin toxin]