词汇	自动记秒表
释义	自动记秒表 self-timer
随便看	professions theory lesson profession stratum profession structure profession student Profession sub-cultural values profession supervision profession target profession teacher training profession the same profession training profession training certificate Profession University student Profession view Profession wages collective negotiation professioualization professirship professIslam profess Islam professison commitment professively professlonal alhlete Professlonalism professly profess medicine profess modern languages