pit adder

名词 n.
中文释义

英文释义

名词 n.
  1. Synonym of pit viper: any of various venomous snakes of the family Crotalinae, found in Asia and the Americas, with a deep pit or groove on either side of the head which enables them to detect prey by infrared sensing.
    — The two chief poisonous families of the rest of the globe, the vipers (Viperidae) and the pit-adders (Crotalida;), are entirely absent, their place being supplied by the Elapidae, [...]

词形变化

pit adders plural pit-adder alternative

词源

From pit + adder.
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