听起来很有趣。
下午第一个讲演主题是儿童职业体验馆。[{'character': '下', 'pinyin': 'xia4', 'highest pitch': 10.27, 'lowest pitch': 7.65, 'duration': 0.34, 'prosody hierarchy': 'null'}, {'character': '午', 'pinyin': 'u3', 'highest pitch': 7.65, 'lowest pitch': 5.33, 'duration': 0.23, 'prosody hierarchy': '#2'}, {'character': '第', 'pinyin': 'di4', 'highest pitch': 9.93, 'lowest pitch': 8.86, 'duration': 0.17, 'prosody hierarchy': 'null'}, {'character': '一', 'pinyin': 'i1', 'highest pitch': 11.01, 'lowest pitch': 9.93, 'duration': 0.13, 'prosody hierarchy': 'null'}, {'character': '个', 'pinyin': 'ge5', 'highest pitch': 10.81, 'lowest pitch': 7.23, 'duration': 0.15, 'prosody hierarchy': '#1'}, {'character': '讲', 'pinyin': 'jiang2', 'highest pitch': 7.52, 'lowest pitch': 6.59, 'duration': 0.17, 'prosody hierarchy': 'null'}, {'character': '演', 'pinyin': 'ian2', 'highest pitch': 7.79, 'lowest pitch': 6.93, 'duration': 0.17, 'prosody hierarchy': '#1'}, {'character': '主', 'pinyin': 'zhu3', 'highest pitch': 7.64, 'lowest pitch': 5.18, 'duration': 0.17, 'prosody hierarchy': 'null'}, {'character': '题', 'pinyin': 'ti2', 'highest pitch': 7.18, 'lowest pitch': 5.18, 'duration': 0.33, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.06}, {'character': '是', 'pinyin': 'shiii4', 'highest pitch': 12.9, 'lowest pitch': 7.77, 'duration': 0.28, 'prosody hierarchy': '#1'}, {'character': '儿', 'pinyin': 'er2', 'highest pitch': 12.08, 'lowest pitch': 7.99, 'duration': 0.21, 'prosody hierarchy': 'null'}, {'character': '童', 'pinyin': 'tong2', 'highest pitch': 9.26, 'lowest pitch': 8.58, 'duration': 0.23, 'prosody hierarchy': '#1'}, {'character': '职', 'pinyin': 'zhiii2', 'highest pitch': 9.39, 'lowest pitch': 7.47, 'duration': 0.17, 'prosody hierarchy': 'null'}, {'character': '业', 'pinyin': 'ie4', 'highest pitch': 10.48, 'lowest pitch': 7.91, 'duration': 0.16, 'prosody hierarchy': '#1'}, {'character': '体', 'pinyin': 'ti3', 'highest pitch': 7.91, 'lowest pitch': 5.89, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '验', 'pinyin': 'ian4', 'highest pitch': 7.09, 'lowest pitch': 5.86, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '馆', 'pinyin': 'guan3', 'highest pitch': 6.22, 'lowest pitch': 4.01, 'duration': 0.29, 'prosody hierarchy': '#4'}]