你听说过最近的大新闻吗？
奥巴马发表帐篷演讲。[{'character': '奥', 'pinyin': 'ao4', 'highest pitch': 10.36, 'lowest pitch': 9.9, 'duration': 0.15, 'prosody hierarchy': 'null'}, {'character': '巴', 'pinyin': 'ba1', 'highest pitch': 11.22, 'lowest pitch': 10.7, 'duration': 0.15, 'prosody hierarchy': 'null'}, {'character': '马', 'pinyin': 'ma3', 'highest pitch': 11.2, 'lowest pitch': 6.01, 'duration': 0.29, 'prosody hierarchy': '#2'}, {'character': '发', 'pinyin': 'fa1', 'highest pitch': 8.94, 'lowest pitch': 6.35, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '表', 'pinyin': 'biao3', 'highest pitch': 8.5, 'lowest pitch': 6.05, 'duration': 0.21, 'prosody hierarchy': '#2'}, {'character': '帐', 'pinyin': 'zhang4', 'highest pitch': 10.92, 'lowest pitch': 6.52, 'duration': 0.23, 'prosody hierarchy': 'null'}, {'character': '篷', 'pinyin': 'peng2', 'highest pitch': 8.7, 'lowest pitch': 7.31, 'duration': 0.19, 'prosody hierarchy': '#1'}, {'character': '演', 'pinyin': 'ian2', 'highest pitch': 7.82, 'lowest pitch': 6.35, 'duration': 0.21, 'prosody hierarchy': 'null'}, {'character': '讲', 'pinyin': 'jiang3', 'highest pitch': 7.56, 'lowest pitch': 5.37, 'duration': 0.34, 'prosody hierarchy': '#4'}]