black·snake /-ˌsnek/
 黑蛇,虎蛇,皮鞭


 Black snake or  Black·snake , n. Zool. A snake of a black color, of which two species are common in the United States, the Bascanium constrictor, or racer, sometimes six feet long, and the Scotophis Alleghaniensis, seven or eight feet long.
 Note: ☞ The name is also applied to various other black serpents, as Natrix atra of Jamaica.

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 blacksnake
      n 1: large harmless shiny black North American snake [syn: {black
           rat snake, pilot blacksnake, mountain blacksnake, {Elaphe
           obsoleta]
      2: blackish racer of the eastern United States that grows to
         six feet [syn: black racer, Coluber constrictor]