rocket-propelled grenadeWiktionary 原文英美词源链俄语RussianРПГ↓ 派生英语Englishrocket-propelled grenade词源说明A backronym, from the acronym RPG, which derives from Russian РПГ (RPG); see RPG for more.释义名词noun1A modern hand-held weapons system, comprising a launcher that fires a small explosive rocket.2The explosive rocket weapon component of such a system.