词汇	historical lesson
释义	historical lesson 历史教训
随便看	air pressure water supply can air pressure water system air-pressure water system air pressure wave air pressurization analysis program air pressurized module air-pressurized water extinguisher airpresure ballistie lithoelast air pretreatment air price air prilling AirPrint Air Print air priorities committee air priority Air Priority Board Air Priority Committee Air Priority Raging Air Priority Rating Air Priority Ration Air Prisoner of War Interrogation air probability air processing air processing system air procurement directive