我以前写给你了一封信吗？
我没有给你写过信，因为我想保留这份记忆，这种感觉。[{'character': '我', 'pinyin': 'uo3', 'highest pitch': 8.28, 'lowest pitch': 7.55, 'duration': 0.11, 'prosody hierarchy': '#1'}, {'character': '没', 'pinyin': 'mei2', 'highest pitch': 10.32, 'lowest pitch': 7.43, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '有', 'pinyin': 'iou5', 'highest pitch': 11.72, 'lowest pitch': 10.32, 'duration': 0.15, 'prosody hierarchy': '#1'}, {'character': '给', 'pinyin': 'gei2', 'highest pitch': 10.66, 'lowest pitch': 8.4, 'duration': 0.14, 'prosody hierarchy': 'null'}, {'character': '你', 'pinyin': 'ni2', 'highest pitch': 8.71, 'lowest pitch': 8.32, 'duration': 0.14, 'prosody hierarchy': '#1'}, {'character': '写', 'pinyin': 'xie3', 'highest pitch': 7.91, 'lowest pitch': 5.04, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '过', 'pinyin': 'guo4', 'highest pitch': 6.58, 'lowest pitch': 6.18, 'duration': 0.16, 'prosody hierarchy': 'null'}, {'character': '信', 'pinyin': 'xin4', 'highest pitch': 8.84, 'lowest pitch': 6.48, 'duration': 0.27, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.28}, {'character': '因', 'pinyin': 'in1', 'highest pitch': 7.91, 'lowest pitch': 7.77, 'duration': 0.12, 'prosody hierarchy': 'null'}, {'character': '为', 'pinyin': 'uei4', 'highest pitch': 7.98, 'lowest pitch': 5.78, 'duration': 0.21, 'prosody hierarchy': '#2'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.1}, {'character': '我', 'pinyin': 'uo2', 'highest pitch': 7.89, 'lowest pitch': 7.27, 'duration': 0.11, 'prosody hierarchy': 'null'}, {'character': '想', 'pinyin': 'xiang2', 'highest pitch': 9.06, 'lowest pitch': 7.89, 'duration': 0.19, 'prosody hierarchy': '#1'}, {'character': '保', 'pinyin': 'bao3', 'highest pitch': 8.38, 'lowest pitch': 4.93, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '留', 'pinyin': 'liou2', 'highest pitch': 7.14, 'lowest pitch': 4.96, 'duration': 0.18, 'prosody hierarchy': '#1'}, {'character': '这', 'pinyin': 'zhe4', 'highest pitch': 10.52, 'lowest pitch': 7.14, 'duration': 0.14, 'prosody hierarchy': 'null'}, {'character': '份', 'pinyin': 'fen4', 'highest pitch': 9.71, 'lowest pitch': 7.57, 'duration': 0.19, 'prosody hierarchy': '#1'}, {'character': '记', 'pinyin': 'ji4', 'highest pitch': 8.13, 'lowest pitch': 6.76, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '忆', 'pinyin': 'i4', 'highest pitch': 6.76, 'lowest pitch': 4.95, 'duration': 0.23, 'prosody hierarchy': '#2'}, {'character': '这', 'pinyin': 'zhe4', 'highest pitch': 10.52, 'lowest pitch': 6.35, 'duration': 0.15, 'prosody hierarchy': 'null'}, {'character': '种', 'pinyin': 'zhong2', 'highest pitch': 9.08, 'lowest pitch': 6.29, 'duration': 0.18, 'prosody hierarchy': '#1'}, {'character': '感', 'pinyin': 'gan3', 'highest pitch': 9.27, 'lowest pitch': 4.19, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '觉', 'pinyin': 'jve2', 'highest pitch': 7.72, 'lowest pitch': 4.9, 'duration': 0.33, 'prosody hierarchy': '#4'}]