Blind deaf Disable ə /dɪˈseɪ.b l/ dumb The dumb is people can not speak mentally retarded gradually Time-consuming One by one Demonstration ə /ˌdem.ənˈstreɪ.ʃ n/ Photograph (n) /ˈfəʊ.tə.ɡrɑːf/ Photographic (a) /ˌfəʊ.təˈɡræf.ɪk/ Photogenic (a) /ˌfəʊ.təˈdʒen.ɪk/ Photographer (n) r /fəˈtɒɡ.rə.fə / Photography (n) /fəˈtɒɡ.rə.fi/ Narrow