资料来源 : pyDict

玩具气枪

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

Popgun \Pop"gun`\, n.
   A child's gun; a tube and rammer for shooting pellets, with a
   popping noise, by compression of air.

资料来源 : WordNet®

popgun
     n : plaything consisting of a toy gun that makes a popping sound