这条河道真是宽阔啊。
辽阔的江面至此陡然收窄。[{'character': '辽', 'pinyin': 'liao2', 'highest pitch': 8.96, 'lowest pitch': 7.39, 'duration': 0.21, 'prosody hierarchy': 'null'}, {'character': '阔', 'pinyin': 'kuo4', 'highest pitch': 11.35, 'lowest pitch': 10.43, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '的', 'pinyin': 'de5', 'highest pitch': 10.43, 'lowest pitch': 7.39, 'duration': 0.11, 'prosody hierarchy': '#1'}, {'character': '江', 'pinyin': 'jiang1', 'highest pitch': 8.96, 'lowest pitch': 7.39, 'duration': 0.23, 'prosody hierarchy': 'null'}, {'character': '面', 'pinyin': 'mian4', 'highest pitch': 8.97, 'lowest pitch': 5.24, 'duration': 0.32, 'prosody hierarchy': '#3'}, {'character': '至', 'pinyin': 'zhiii4', 'highest pitch': 8.71, 'lowest pitch': 7.13, 'duration': 0.21, 'prosody hierarchy': 'null'}, {'character': '此', 'pinyin': 'cii2', 'highest pitch': 7.75, 'lowest pitch': 6.78, 'duration': 0.28, 'prosody hierarchy': '#2'}, {'character': '陡', 'pinyin': 'dou3', 'highest pitch': 6.9, 'lowest pitch': 5.28, 'duration': 0.19, 'prosody hierarchy': 'null'}, {'character': '然', 'pinyin': 'ran2', 'highest pitch': 7.48, 'lowest pitch': 5.17, 'duration': 0.2, 'prosody hierarchy': '#1'}, {'character': '收', 'pinyin': 'shou1', 'highest pitch': 10.81, 'lowest pitch': 7.48, 'duration': 0.23, 'prosody hierarchy': 'null'}, {'character': '窄', 'pinyin': 'zhai3', 'highest pitch': 10.06, 'lowest pitch': 4.73, 'duration': 0.34, 'prosody hierarchy': '#4'}]