你听说了吗？
如今，胚胎干细胞研究取得了突破性进展。[{'character': '如', 'pinyin': 'ru2', 'highest pitch': 8.63, 'lowest pitch': 7.57, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '今', 'pinyin': 'jin1', 'highest pitch': 9.7, 'lowest pitch': 7.57, 'duration': 0.35, 'prosody hierarchy': '#3'}, {'character': '胚', 'pinyin': 'pei1', 'highest pitch': 10.47, 'lowest pitch': 9.95, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '胎', 'pinyin': 'tai1', 'highest pitch': 10.64, 'lowest pitch': 10.04, 'duration': 0.18, 'prosody hierarchy': '#1'}, {'character': '干', 'pinyin': 'gan4', 'highest pitch': 11.41, 'lowest pitch': 9.04, 'duration': 0.19, 'prosody hierarchy': 'null'}, {'character': '细', 'pinyin': 'xi4', 'highest pitch': 9.04, 'lowest pitch': 6.92, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '胞', 'pinyin': 'bao1', 'highest pitch': 8.48, 'lowest pitch': 8.06, 'duration': 0.14, 'prosody hierarchy': '#1'}, {'character': '研', 'pinyin': 'ian2', 'highest pitch': 8.06, 'lowest pitch': 6.45, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '究', 'pinyin': 'jiou1', 'highest pitch': 8.63, 'lowest pitch': 7.0, 'duration': 0.25, 'prosody hierarchy': '#2'}, {'character': '取', 'pinyin': 'qv3', 'highest pitch': 8.44, 'lowest pitch': 6.07, 'duration': 0.25, 'prosody hierarchy': 'null'}, {'character': '得', 'pinyin': 'de2', 'highest pitch': 6.73, 'lowest pitch': 6.33, 'duration': 0.13, 'prosody hierarchy': 'null'}, {'character': '了', 'pinyin': 'le5', 'highest pitch': 7.51, 'lowest pitch': 6.41, 'duration': 0.15, 'prosody hierarchy': '#1'}, {'character': '突', 'pinyin': 'tu1', 'highest pitch': 10.32, 'lowest pitch': 6.8, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '破', 'pinyin': 'po4', 'highest pitch': 10.75, 'lowest pitch': 9.57, 'duration': 0.17, 'prosody hierarchy': 'null'}, {'character': '性', 'pinyin': 'xing4', 'highest pitch': 9.58, 'lowest pitch': 6.93, 'duration': 0.19, 'prosody hierarchy': '#1'}, {'character': '进', 'pinyin': 'jin4', 'highest pitch': 7.64, 'lowest pitch': 6.19, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '展', 'pinyin': 'zhan3', 'highest pitch': 6.36, 'lowest pitch': 3.61, 'duration': 0.28, 'prosody hierarchy': '#4'}]