airpack

/air-pak/US // ˈɛərˌpæk //

气囊,空气包,气袋,气垫

Definitions

n.名词 noun

1
- : an apparatus consisting of a face mask connected to a portable air supply, as an air tank that can be strapped to one's back, used especially by firefighters and search teams in areas of smoke, poisonous fumes, intense heat, etc.