昨天天气实在太冷了。
昨天，在北京街头，孩子被家长包裹严实抵挡寒流。[{'character': '昨', 'pinyin': 'zuo2', 'highest pitch': 7.47, 'lowest pitch': 7.08, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '天', 'pinyin': 'tian1', 'highest pitch': 9.08, 'lowest pitch': 7.32, 'duration': 0.28, 'prosody hierarchy': '#2'}, {'character': '在', 'pinyin': 'zai4', 'highest pitch': 9.51, 'lowest pitch': 7.61, 'duration': 0.2, 'prosody hierarchy': '#1'}, {'character': '北', 'pinyin': 'bei3', 'highest pitch': 6.0, 'lowest pitch': 4.66, 'duration': 0.14, 'prosody hierarchy': 'null'}, {'character': '京', 'pinyin': 'jing1', 'highest pitch': 9.99, 'lowest pitch': 4.66, 'duration': 0.2, 'prosody hierarchy': '#1'}, {'character': '街', 'pinyin': 'jie1', 'highest pitch': 9.79, 'lowest pitch': 8.21, 'duration': 0.17, 'prosody hierarchy': 'null'}, {'character': '头', 'pinyin': 'tou2', 'highest pitch': 7.65, 'lowest pitch': 6.1, 'duration': 0.3, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.24}, {'character': '孩', 'pinyin': 'hai2', 'highest pitch': 9.04, 'lowest pitch': 6.71, 'duration': 0.24, 'prosody hierarchy': 'null'}, {'character': '子', 'pinyin': 'zii5', 'highest pitch': 10.51, 'lowest pitch': 8.76, 'duration': 0.15, 'prosody hierarchy': '#1'}, {'character': '被', 'pinyin': 'bei4', 'highest pitch': 9.77, 'lowest pitch': 7.75, 'duration': 0.14, 'prosody hierarchy': '#1'}, {'character': '家', 'pinyin': 'jia1', 'highest pitch': 10.63, 'lowest pitch': 7.75, 'duration': 0.23, 'prosody hierarchy': 'null'}, {'character': '长', 'pinyin': 'zhang3', 'highest pitch': 9.98, 'lowest pitch': 4.92, 'duration': 0.27, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.05}, {'character': '包', 'pinyin': 'bao1', 'highest pitch': 8.06, 'lowest pitch': 7.68, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '裹', 'pinyin': 'guo3', 'highest pitch': 7.74, 'lowest pitch': 5.46, 'duration': 0.18, 'prosody hierarchy': '#1'}, {'character': '严', 'pinyin': 'ian2', 'highest pitch': 9.24, 'lowest pitch': 5.44, 'duration': 0.23, 'prosody hierarchy': 'null'}, {'character': '实', 'pinyin': 'shiii2', 'highest pitch': 9.24, 'lowest pitch': 6.84, 'duration': 0.25, 'prosody hierarchy': '#2'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.07}, {'character': '抵', 'pinyin': 'di2', 'highest pitch': 7.64, 'lowest pitch': 6.8, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '挡', 'pinyin': 'dang3', 'highest pitch': 8.11, 'lowest pitch': 5.2, 'duration': 0.19, 'prosody hierarchy': '#1'}, {'character': '寒', 'pinyin': 'han2', 'highest pitch': 8.25, 'lowest pitch': 6.26, 'duration': 0.24, 'prosody hierarchy': 'null'}, {'character': '流', 'pinyin': 'liou2', 'highest pitch': 8.25, 'lowest pitch': 6.51, 'duration': 0.35, 'prosody hierarchy': '#4'}]