那是真的，飞翔的自由确实令人向往。
人类存在一个美丽的幻想：能像鸟儿一样自由飞翔。[{'character': '人', 'pinyin': 'ren2', 'highest pitch': 10.55, 'lowest pitch': 7.6, 'duration': 0.23, 'prosody hierarchy': 'null'}, {'character': '类', 'pinyin': 'lei4', 'highest pitch': 11.47, 'lowest pitch': 7.31, 'duration': 0.27, 'prosody hierarchy': '#2'}, {'character': '存', 'pinyin': 'cuen2', 'highest pitch': 8.32, 'lowest pitch': 7.47, 'duration': 0.26, 'prosody hierarchy': 'null'}, {'character': '在', 'pinyin': 'zai4', 'highest pitch': 9.49, 'lowest pitch': 7.65, 'duration': 0.13, 'prosody hierarchy': '#1'}, {'character': '一', 'pinyin': 'i2', 'highest pitch': 10.34, 'lowest pitch': 7.84, 'duration': 0.13, 'prosody hierarchy': 'null'}, {'character': '个', 'pinyin': 'ge5', 'highest pitch': 8.83, 'lowest pitch': 7.79, 'duration': 0.13, 'prosody hierarchy': '#1'}, {'character': '美', 'pinyin': 'mei3', 'highest pitch': 7.79, 'lowest pitch': 5.53, 'duration': 0.21, 'prosody hierarchy': 'null'}, {'character': '丽', 'pinyin': 'li4', 'highest pitch': 9.89, 'lowest pitch': 5.65, 'duration': 0.15, 'prosody hierarchy': 'null'}, {'character': '的', 'pinyin': 'de5', 'highest pitch': 9.14, 'lowest pitch': 7.72, 'duration': 0.1, 'prosody hierarchy': '#1'}, {'character': '幻', 'pinyin': 'huan4', 'highest pitch': 10.85, 'lowest pitch': 8.53, 'duration': 0.26, 'prosody hierarchy': 'null'}, {'character': '想', 'pinyin': 'xiang3', 'highest pitch': 8.53, 'lowest pitch': 4.25, 'duration': 0.3, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.34}, {'character': '能', 'pinyin': 'neng2', 'highest pitch': 10.03, 'lowest pitch': 8.53, 'duration': 0.16, 'prosody hierarchy': 'null'}, {'character': '像', 'pinyin': 'xiang4', 'highest pitch': 11.63, 'lowest pitch': 9.85, 'duration': 0.21, 'prosody hierarchy': '#1'}, {'character': '鸟', 'pinyin': 'niao3', 'highest pitch': 9.85, 'lowest pitch': 4.92, 'duration': 0.21, 'prosody hierarchy': 'null'}, {'character': '儿', 'pinyin': 'er2', 'highest pitch': 10.53, 'lowest pitch': 5.05, 'duration': 0.21, 'prosody hierarchy': '#1'}, {'character': '一', 'pinyin': 'i2', 'highest pitch': 10.34, 'lowest pitch': 6.82, 'duration': 0.14, 'prosody hierarchy': 'null'}, {'character': '样', 'pinyin': 'iang4', 'highest pitch': 7.78, 'lowest pitch': 6.15, 'duration': 0.22, 'prosody hierarchy': '#2'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.07}, {'character': '自', 'pinyin': 'zii4', 'highest pitch': 7.98, 'lowest pitch': 7.3, 'duration': 0.19, 'prosody hierarchy': 'null'}, {'character': '由', 'pinyin': 'iou2', 'highest pitch': 7.3, 'lowest pitch': 6.0, 'duration': 0.19, 'prosody hierarchy': '#1'}, {'character': '飞', 'pinyin': 'fei1', 'highest pitch': 8.43, 'lowest pitch': 7.02, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '翔', 'pinyin': 'xiang2', 'highest pitch': 7.72, 'lowest pitch': 5.81, 'duration': 0.35, 'prosody hierarchy': '#4'}]