public-address system

(abbr 缩写 P`A system) system of microphones and loudspeakers used at public meetings, sports events, etc 扩音系统.

pub crawl, puberty, pubic, public, public bar, public convenience, public garden, public house, public lending, public nuisance, public official, public opinion, public ownership, public prosecutor, Public Record Office, public relations (abbr 缩写 ,PR), public school, public spirit, public transport, public utility, public-spirited, publican, publication, publicist, publicity, publicity agent, publicize, publicize, publicise, publicly, publish, publisher, publishing, puce, puck, pucker, puckish, puckishly, pudding, puddle, pudenda,