天气预报说空气质量会变差。
严重污染，一定要戴好口罩再出门啊。[{'character': '严', 'pinyin': 'ian2', 'highest pitch': 9.59, 'lowest pitch': 7.08, 'duration': 0.19, 'prosody hierarchy': 'null'}, {'character': '重', 'pinyin': 'zhong4', 'highest pitch': 11.62, 'lowest pitch': 9.59, 'duration': 0.19, 'prosody hierarchy': '#1'}, {'character': '污', 'pinyin': 'u1', 'highest pitch': 9.65, 'lowest pitch': 7.56, 'duration': 0.15, 'prosody hierarchy': 'null'}, {'character': '染', 'pinyin': 'ran3', 'highest pitch': 7.56, 'lowest pitch': 3.79, 'duration': 0.29, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.15}, {'character': '一', 'pinyin': 'i2', 'highest pitch': 7.91, 'lowest pitch': 7.31, 'duration': 0.12, 'prosody hierarchy': 'null'}, {'character': '定', 'pinyin': 'ding4', 'highest pitch': 9.63, 'lowest pitch': 9.09, 'duration': 0.14, 'prosody hierarchy': 'null'}, {'character': '要', 'pinyin': 'iao4', 'highest pitch': 9.09, 'lowest pitch': 8.18, 'duration': 0.14, 'prosody hierarchy': '#1'}, {'character': '戴', 'pinyin': 'dai4', 'highest pitch': 9.27, 'lowest pitch': 7.69, 'duration': 0.17, 'prosody hierarchy': 'null'}, {'character': '好', 'pinyin': 'hao2', 'highest pitch': 9.3, 'lowest pitch': 7.69, 'duration': 0.16, 'prosody hierarchy': '#1'}, {'character': '口', 'pinyin': 'kou3', 'highest pitch': 14.06, 'lowest pitch': 4.32, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '罩', 'pinyin': 'zhao4', 'highest pitch': 10.35, 'lowest pitch': 4.35, 'duration': 0.18, 'prosody hierarchy': '#1'}, {'character': '再', 'pinyin': 'zai4', 'highest pitch': 9.11, 'lowest pitch': 6.73, 'duration': 0.17, 'prosody hierarchy': '#1'}, {'character': '出', 'pinyin': 'chu1', 'highest pitch': 8.22, 'lowest pitch': 6.73, 'duration': 0.16, 'prosody hierarchy': 'null'}, {'character': '门', 'pinyin': 'men2', 'highest pitch': 7.71, 'lowest pitch': 5.57, 'duration': 0.21, 'prosody hierarchy': 'null'}, {'character': '啊', 'pinyin': 'a5', 'highest pitch': 6.29, 'lowest pitch': 1.39, 'duration': 0.26, 'prosody hierarchy': '#4'}]