我给你写了一封信。
他踱到教室里，见自己桌面上静躺了一封信，心猛然一跳。[{'character': '他', 'pinyin': 'ta1', 'highest pitch': 9.15, 'lowest pitch': 8.95, 'duration': 0.32, 'prosody hierarchy': '#2'}, {'character': '踱', 'pinyin': 'duo2', 'highest pitch': 8.37, 'lowest pitch': 7.55, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '到', 'pinyin': 'dao4', 'highest pitch': 10.28, 'lowest pitch': 8.37, 'duration': 0.17, 'prosody hierarchy': '#1'}, {'character': '教', 'pinyin': 'jiao4', 'highest pitch': 10.08, 'lowest pitch': 8.63, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '室', 'pinyin': 'shiii4', 'highest pitch': 10.41, 'lowest pitch': 8.02, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '里', 'pinyin': 'li3', 'highest pitch': 8.02, 'lowest pitch': 4.55, 'duration': 0.25, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.3}, {'character': '见', 'pinyin': 'jian4', 'highest pitch': 10.48, 'lowest pitch': 9.69, 'duration': 0.25, 'prosody hierarchy': '#1'}, {'character': '自', 'pinyin': 'zii4', 'highest pitch': 10.67, 'lowest pitch': 9.54, 'duration': 0.14, 'prosody hierarchy': 'null'}, {'character': '己', 'pinyin': 'ji3', 'highest pitch': 9.54, 'lowest pitch': 5.04, 'duration': 0.15, 'prosody hierarchy': '#1'}, {'character': '桌', 'pinyin': 'zhuo1', 'highest pitch': 10.48, 'lowest pitch': 5.04, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '面', 'pinyin': 'mian4', 'highest pitch': 10.88, 'lowest pitch': 8.04, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '上', 'pinyin': 'shang4', 'highest pitch': 8.04, 'lowest pitch': 6.33, 'duration': 0.2, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.12}, {'character': '静', 'pinyin': 'jing4', 'highest pitch': 8.02, 'lowest pitch': 6.69, 'duration': 0.23, 'prosody hierarchy': '#1'}, {'character': '躺', 'pinyin': 'tang3', 'highest pitch': 6.82, 'lowest pitch': 5.01, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '了', 'pinyin': 'le5', 'highest pitch': 6.05, 'lowest pitch': 5.01, 'duration': 0.1, 'prosody hierarchy': '#1'}, {'character': '一', 'pinyin': 'i4', 'highest pitch': 7.08, 'lowest pitch': 6.05, 'duration': 0.15, 'prosody hierarchy': 'null'}, {'character': '封', 'pinyin': 'feng1', 'highest pitch': 9.36, 'lowest pitch': 6.6, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '信', 'pinyin': 'xin4', 'highest pitch': 10.21, 'lowest pitch': 8.11, 'duration': 0.24, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.28}, {'character': '心', 'pinyin': 'xin1', 'highest pitch': 7.69, 'lowest pitch': 7.01, 'duration': 0.25, 'prosody hierarchy': '#1'}, {'character': '猛', 'pinyin': 'meng3', 'highest pitch': 7.08, 'lowest pitch': 5.64, 'duration': 0.21, 'prosody hierarchy': 'null'}, {'character': '然', 'pinyin': 'ran2', 'highest pitch': 8.45, 'lowest pitch': 5.28, 'duration': 0.23, 'prosody hierarchy': '#1'}, {'character': '一', 'pinyin': 'i2', 'highest pitch': 8.45, 'lowest pitch': 7.34, 'duration': 0.13, 'prosody hierarchy': 'null'}, {'character': '跳', 'pinyin': 'tiao4', 'highest pitch': 10.09, 'lowest pitch': 7.72, 'duration': 0.3, 'prosody hierarchy': '#4'}]