měi nián / de / sān yuè sān rì / shì / quán guó / de / ài ěr rì / zhǐ zài / xuān chuán / tīng lì / bǎo hù每年的三月三日是全国的爱耳日,旨在宣传听力保护。Every year on March 3 is the National Ear Care Day, aimed at promoting hearing protection.