bb gunとは意味:空気銃{くうきじゅう}、BB 銃 bb gun meaning: Noun: BB gun 'bee`bee gún An air gun in which BBs are propelled by compressed air Derived forms: BB guns Type of: air gun , air rifle , airgun Encyclopedia: BB gun bb gun en francais:arme qui utilise la pression de l'air pour lanceer la balle, pistolet à airbb gun 뜻:BB탄 총