附加扬声器插空

socket for additional loudspeaker

• project
• projectile
• projection
• projector
• prolapse
• prole
• proletariat
• proliferate
• prolific
• prolix
• prologue
• prolong
• prom
• promenade
• prominent
• promiscuous
• promise
• promise
• promissory
• promontory
• promote
• promotion
• prompt
• prompt
• promptitude