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  • Tohelptheblind,youngLouisBraillecreatedasystem
    發表於:2021-02-12
    問題詳情:Tohelptheblind,youngLouisBraillecreatedasystem_________sixraiseddotsrepresentingdifferentletter;_____theblindcaneasilyrecognizeBrailwiththefingersnow.A.madeupof;bu...