《英文msh詞典》European Adders
[入口詞] European Adders
[主題詞] Viperidae
[英文釋義] A family of snakes comprising three subfamilies: Azemiopinae (the mountain viper,the sole member of this subfamily),Viperinae (true vipers),and Crotalinae (pit vipers). They are widespread throughout the world,being found in the United States,Central and South America,Europe,Asia and Africa. Their venoms act on the blood (hemotoxic) as compared to the venom of elapids which act on the nervous system (neurotoxic). (Goin,Goin,and Zug,Introduction to Herpetology,3d ed,pp333-36)