an air gun in which BBs are propelled by compressed air
权威例句
1.
Parkin also discusses the relationship between makers of replica BBguns, makers of actual guns and makers of video games.
FORBES: Guns, Games and Green - The Licensing Connection
2.
An increase in police numbers is planned for this year's event, and a warning not to bring weapons has been issued after knives and BBguns were seized last year.