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许先生憋着一口气，一路开车紧追。[{'character': '许', 'pinyin': 'xv3', 'highest pitch': 8.42, 'lowest pitch': 7.77, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '先', 'pinyin': 'xian1', 'highest pitch': 9.68, 'lowest pitch': 9.18, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '生', 'pinyin': 'sheng5', 'highest pitch': 10.05, 'lowest pitch': 7.99, 'duration': 0.24, 'prosody hierarchy': '#2'}, {'character': '憋', 'pinyin': 'bie1', 'highest pitch': 10.88, 'lowest pitch': 9.84, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '着', 'pinyin': 'zhe5', 'highest pitch': 10.58, 'lowest pitch': 8.54, 'duration': 0.15, 'prosody hierarchy': '#1'}, {'character': '一', 'pinyin': 'i4', 'highest pitch': 8.54, 'lowest pitch': 7.24, 'duration': 0.09, 'prosody hierarchy': 'null'}, {'character': '口', 'pinyin': 'kou3', 'highest pitch': 7.24, 'lowest pitch': 4.18, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '气', 'pinyin': 'qi4', 'highest pitch': 7.88, 'lowest pitch': 5.23, 'duration': 0.3, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.26}, {'character': '一', 'pinyin': 'i2', 'highest pitch': 7.72, 'lowest pitch': 6.84, 'duration': 0.11, 'prosody hierarchy': 'null'}, {'character': '路', 'pinyin': 'lu4', 'highest pitch': 8.59, 'lowest pitch': 7.53, 'duration': 0.18, 'prosody hierarchy': '#1'}, {'character': '开', 'pinyin': 'kai1', 'highest pitch': 9.21, 'lowest pitch': 8.77, 'duration': 0.19, 'prosody hierarchy': 'null'}, {'character': '车', 'pinyin': 'che1', 'highest pitch': 9.72, 'lowest pitch': 9.2, 'duration': 0.18, 'prosody hierarchy': '#1'}, {'character': '紧', 'pinyin': 'jin3', 'highest pitch': 9.36, 'lowest pitch': 4.05, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '追', 'pinyin': 'zhuei1', 'highest pitch': 8.56, 'lowest pitch': 4.21, 'duration': 0.3, 'prosody hierarchy': '#4'}]