这些飞羽是从哪里来的？
在鸟网下方地面，也有很多飞羽。[{'character': '在', 'pinyin': 'zai4', 'highest pitch': 9.69, 'lowest pitch': 8.78, 'duration': 0.21, 'prosody hierarchy': '#1'}, {'character': '鸟', 'pinyin': 'niao2', 'highest pitch': 10.17, 'lowest pitch': 7.86, 'duration': 0.27, 'prosody hierarchy': 'null'}, {'character': '网', 'pinyin': 'uang3', 'highest pitch': 10.17, 'lowest pitch': 5.85, 'duration': 0.22, 'prosody hierarchy': '#1'}, {'character': '下', 'pinyin': 'xia4', 'highest pitch': 10.6, 'lowest pitch': 8.87, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '方', 'pinyin': 'fang1', 'highest pitch': 9.18, 'lowest pitch': 7.73, 'duration': 0.18, 'prosody hierarchy': '#1'}, {'character': '地', 'pinyin': 'di4', 'highest pitch': 8.59, 'lowest pitch': 7.6, 'duration': 0.14, 'prosody hierarchy': 'null'}, {'character': '面', 'pinyin': 'mian4', 'highest pitch': 7.69, 'lowest pitch': 5.58, 'duration': 0.29, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.12}, {'character': '也', 'pinyin': 'ie2', 'highest pitch': 10.58, 'lowest pitch': 7.26, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '有', 'pinyin': 'iou2', 'highest pitch': 10.96, 'lowest pitch': 10.58, 'duration': 0.16, 'prosody hierarchy': '#1'}, {'character': '很', 'pinyin': 'hen3', 'highest pitch': 10.69, 'lowest pitch': 4.69, 'duration': 0.21, 'prosody hierarchy': 'null'}, {'character': '多', 'pinyin': 'duo1', 'highest pitch': 7.01, 'lowest pitch': 4.69, 'duration': 0.14, 'prosody hierarchy': '#1'}, {'character': '飞', 'pinyin': 'fei1', 'highest pitch': 7.53, 'lowest pitch': 6.63, 'duration': 0.25, 'prosody hierarchy': 'null'}, {'character': '羽', 'pinyin': 'v3', 'highest pitch': 6.63, 'lowest pitch': 4.08, 'duration': 0.25, 'prosody hierarchy': '#4'}]