资料来源 : pyDict

响尾蛇属

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Crotalus \Crot"a*lus\ (-l?s), n. [NL., fr. Gr. ???? rattle.]
   (Zo["o]l.)
   A genus of poisonous serpents, including the rattlesnakes.

资料来源 : WordNet®

Crotalus
     n : large rattlesnakes; seldom bite unless startled or pursuing
         prey [syn: {genus Crotalus}]