By this he meant that the unique characteristic of cinema as a medium was to take our experience of time and alter it.
baɪ ðɪs hiː mˈɛnt ðætðə juːnˈiːk kˌæɹɪktɚɹˈɪstɪk ʌv sˈɪnəmə æz ɐ mˈiːdiəm wʌz tə tˈeɪk ˌaʊɚɹ ɛkspˈiəɹɪəns ʌv tˈaɪm ænd ˈɔltɚɹ ɪt.