这个发明真是太了不起了。
这可是开天辟地头一回。[{'character': '这', 'pinyin': 'zhe4', 'highest pitch': 10.21, 'lowest pitch': 8.22, 'duration': 0.21, 'prosody hierarchy': '#1'}, {'character': '可', 'pinyin': 'ke3', 'highest pitch': 8.94, 'lowest pitch': 6.28, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '是', 'pinyin': 'shiii4', 'highest pitch': 7.51, 'lowest pitch': 6.54, 'duration': 0.21, 'prosody hierarchy': '#2'}, {'character': '开', 'pinyin': 'kai1', 'highest pitch': 9.42, 'lowest pitch': 8.78, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '天', 'pinyin': 'tian1', 'highest pitch': 9.88, 'lowest pitch': 9.52, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '辟', 'pinyin': 'pi4', 'highest pitch': 9.81, 'lowest pitch': 7.33, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '地', 'pinyin': 'di4', 'highest pitch': 7.99, 'lowest pitch': 6.14, 'duration': 0.16, 'prosody hierarchy': '#1'}, {'character': '头', 'pinyin': 'tou2', 'highest pitch': 8.74, 'lowest pitch': 5.1, 'duration': 0.31, 'prosody hierarchy': 'null'}, {'character': '一', 'pinyin': 'i4', 'highest pitch': 10.8, 'lowest pitch': 8.74, 'duration': 0.17, 'prosody hierarchy': 'null'}, {'character': '回', 'pinyin': 'huei2', 'highest pitch': 9.14, 'lowest pitch': 5.1, 'duration': 0.33, 'prosody hierarchy': '#4'}]