Any of numerous, widely distributed, chiefly nonvenomous snakes of the family Colubridae, which includes the king snakes, garter snakes, and water snakes.

 
  • 黄颔蛇一种广泛分布的、尤指无毒蛇家族的无毒蛇,包括有王蛇、花蛇和水蛇
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