你说他怎么保存这幅画作的？
这次快递画作，他只是将卷轴直接放进画筒里。[{'character': '这', 'pinyin': 'zhe4', 'highest pitch': 10.66, 'lowest pitch': 8.84, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '次', 'pinyin': 'cii4', 'highest pitch': 9.44, 'lowest pitch': 8.66, 'duration': 0.24, 'prosody hierarchy': '#2'}, {'character': '快', 'pinyin': 'kuai4', 'highest pitch': 14.17, 'lowest pitch': 8.49, 'duration': 0.23, 'prosody hierarchy': 'null'}, {'character': '递', 'pinyin': 'di4', 'highest pitch': 9.37, 'lowest pitch': 8.49, 'duration': 0.13, 'prosody hierarchy': '#1'}, {'character': '画', 'pinyin': 'hua4', 'highest pitch': 10.5, 'lowest pitch': 8.58, 'duration': 0.23, 'prosody hierarchy': 'null'}, {'character': '作', 'pinyin': 'zuo4', 'highest pitch': 10.63, 'lowest pitch': 8.48, 'duration': 0.28, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.26}, {'character': '他', 'pinyin': 'ta1', 'highest pitch': 8.37, 'lowest pitch': 8.14, 'duration': 0.18, 'prosody hierarchy': '#1'}, {'character': '只', 'pinyin': 'zhiii3', 'highest pitch': 7.05, 'lowest pitch': 6.02, 'duration': 0.13, 'prosody hierarchy': 'null'}, {'character': '是', 'pinyin': 'shiii4', 'highest pitch': 6.92, 'lowest pitch': 6.6, 'duration': 0.14, 'prosody hierarchy': 'null'}, {'character': '将', 'pinyin': 'jiang1', 'highest pitch': 9.17, 'lowest pitch': 6.6, 'duration': 0.23, 'prosody hierarchy': '#1'}, {'character': '卷', 'pinyin': 'jvan4', 'highest pitch': 10.69, 'lowest pitch': 7.2, 'duration': 0.25, 'prosody hierarchy': 'null'}, {'character': '轴', 'pinyin': 'zhou2', 'highest pitch': 8.1, 'lowest pitch': 6.14, 'duration': 0.28, 'prosody hierarchy': '#2'}, {'character': '直', 'pinyin': 'zhiii2', 'highest pitch': 7.33, 'lowest pitch': 7.08, 'duration': 0.19, 'prosody hierarchy': 'null'}, {'character': '接', 'pinyin': 'jie1', 'highest pitch': 10.93, 'lowest pitch': 10.35, 'duration': 0.17, 'prosody hierarchy': '#1'}, {'character': '放', 'pinyin': 'fang4', 'highest pitch': 11.33, 'lowest pitch': 8.63, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '进', 'pinyin': 'jin4', 'highest pitch': 8.63, 'lowest pitch': 7.03, 'duration': 0.16, 'prosody hierarchy': '#1'}, {'character': '画', 'pinyin': 'hua4', 'highest pitch': 10.5, 'lowest pitch': 6.4, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '筒', 'pinyin': 'tong2', 'highest pitch': 6.93, 'lowest pitch': 5.94, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '里', 'pinyin': 'li3', 'highest pitch': 6.98, 'lowest pitch': 4.2, 'duration': 0.22, 'prosody hierarchy': '#4'}]