Doctorshaveknownforalongtimethatextremelyloudnoisescanc...
问题详情：Doctorshaveknownforalongtimethatextremelyloudnoisescancausehearingdamageorloss.Thenoisecanbethesoundofajetairplaneormachinesinfactoriesorloudmusicorothercommonsoundsfoundathomeandatwork.Aperso...