好事还是坏事，连夜工作真是不容易啊。
机场工作人员和驻场武警连夜在机场跑道上扫雪除冰。[{'character': '机', 'pinyin': 'ji1', 'highest pitch': 9.85, 'lowest pitch': 9.49, 'duration': 0.21, 'prosody hierarchy': 'null'}, {'character': '场', 'pinyin': 'chang3', 'highest pitch': 9.56, 'lowest pitch': 6.03, 'duration': 0.29, 'prosody hierarchy': '#2'}, {'character': '工', 'pinyin': 'gong1', 'highest pitch': 10.43, 'lowest pitch': 6.4, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '作', 'pinyin': 'zuo4', 'highest pitch': 10.77, 'lowest pitch': 8.49, 'duration': 0.13, 'prosody hierarchy': '#1'}, {'character': '人', 'pinyin': 'ren2', 'highest pitch': 8.49, 'lowest pitch': 6.89, 'duration': 0.17, 'prosody hierarchy': 'null'}, {'character': '员', 'pinyin': 'van2', 'highest pitch': 7.5, 'lowest pitch': 5.8, 'duration': 0.28, 'prosody hierarchy': '#2'}, {'character': '和', 'pinyin': 'he2', 'highest pitch': 8.88, 'lowest pitch': 8.14, 'duration': 0.17, 'prosody hierarchy': '#1'}, {'character': '驻', 'pinyin': 'zhu4', 'highest pitch': 10.79, 'lowest pitch': 8.14, 'duration': 0.16, 'prosody hierarchy': 'null'}, {'character': '场', 'pinyin': 'chang3', 'highest pitch': 9.56, 'lowest pitch': 5.28, 'duration': 0.26, 'prosody hierarchy': '#1'}, {'character': '武', 'pinyin': 'u2', 'highest pitch': 10.03, 'lowest pitch': 5.28, 'duration': 0.17, 'prosody hierarchy': 'null'}, {'character': '警', 'pinyin': 'jing3', 'highest pitch': 9.64, 'lowest pitch': 4.72, 'duration': 0.33, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.19}, {'character': '连', 'pinyin': 'lian2', 'highest pitch': 8.24, 'lowest pitch': 6.77, 'duration': 0.21, 'prosody hierarchy': 'null'}, {'character': '夜', 'pinyin': 'ie4', 'highest pitch': 9.16, 'lowest pitch': 7.62, 'duration': 0.17, 'prosody hierarchy': '#1'}, {'character': '在', 'pinyin': 'zai4', 'highest pitch': 8.08, 'lowest pitch': 6.73, 'duration': 0.16, 'prosody hierarchy': '#1'}, {'character': '机', 'pinyin': 'ji1', 'highest pitch': 9.85, 'lowest pitch': 6.73, 'duration': 0.15, 'prosody hierarchy': 'null'}, {'character': '场', 'pinyin': 'chang2', 'highest pitch': 9.16, 'lowest pitch': 7.42, 'duration': 0.22, 'prosody hierarchy': '#1'}, {'character': '跑', 'pinyin': 'pao3', 'highest pitch': 5.39, 'lowest pitch': 5.14, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '道', 'pinyin': 'dao4', 'highest pitch': 10.07, 'lowest pitch': 8.58, 'duration': 0.19, 'prosody hierarchy': 'null'}, {'character': '上', 'pinyin': 'shang5', 'highest pitch': 8.58, 'lowest pitch': 5.83, 'duration': 0.26, 'prosody hierarchy': '#2'}, {'character': '扫', 'pinyin': 'sao2', 'highest pitch': 8.46, 'lowest pitch': 6.61, 'duration': 0.24, 'prosody hierarchy': 'null'}, {'character': '雪', 'pinyin': 'xve3', 'highest pitch': 8.46, 'lowest pitch': 4.7, 'duration': 0.18, 'prosody hierarchy': '#1'}, {'character': '除', 'pinyin': 'chu2', 'highest pitch': 6.98, 'lowest pitch': 4.7, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '冰', 'pinyin': 'bing1', 'highest pitch': 9.62, 'lowest pitch': 6.87, 'duration': 0.28, 'prosody hierarchy': '#4'}]