每当想到黄河，我都感到担忧。
一次次的灾难，人们谈黄河而色变。[{'character': '一', 'pinyin': 'i2', 'highest pitch': 10.23, 'lowest pitch': 8.29, 'duration': 0.15, 'prosody hierarchy': 'null'}, {'character': '次', 'pinyin': 'cii4', 'highest pitch': 11.52, 'lowest pitch': 9.9, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '次', 'pinyin': 'cii4', 'highest pitch': 11.52, 'lowest pitch': 7.91, 'duration': 0.12, 'prosody hierarchy': 'null'}, {'character': '的', 'pinyin': 'de5', 'highest pitch': 8.17, 'lowest pitch': 7.24, 'duration': 0.13, 'prosody hierarchy': '#1'}, {'character': '灾', 'pinyin': 'zai1', 'highest pitch': 8.85, 'lowest pitch': 8.3, 'duration': 0.17, 'prosody hierarchy': 'null'}, {'character': '难', 'pinyin': 'nan4', 'highest pitch': 8.85, 'lowest pitch': 6.33, 'duration': 0.27, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.06}, {'character': '人', 'pinyin': 'ren2', 'highest pitch': 7.58, 'lowest pitch': 6.77, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '们', 'pinyin': 'men5', 'highest pitch': 7.74, 'lowest pitch': 7.33, 'duration': 0.17, 'prosody hierarchy': '#2'}, {'character': '谈', 'pinyin': 'tan2', 'highest pitch': 9.24, 'lowest pitch': 7.3, 'duration': 0.24, 'prosody hierarchy': '#1'}, {'character': '黄', 'pinyin': 'huang2', 'highest pitch': 9.24, 'lowest pitch': 7.34, 'duration': 0.21, 'prosody hierarchy': 'null'}, {'character': '河', 'pinyin': 'he2', 'highest pitch': 8.82, 'lowest pitch': 6.59, 'duration': 0.25, 'prosody hierarchy': '#1'}, {'character': '而', 'pinyin': 'er2', 'highest pitch': 8.06, 'lowest pitch': 6.08, 'duration': 0.16, 'prosody hierarchy': 'null'}, {'character': '色', 'pinyin': 'se4', 'highest pitch': 9.63, 'lowest pitch': 8.06, 'duration': 0.23, 'prosody hierarchy': 'null'}, {'character': '变', 'pinyin': 'bian4', 'highest pitch': 10.31, 'lowest pitch': 6.63, 'duration': 0.33, 'prosody hierarchy': '#4'}]