天空乌云密布，风势渐渐加大。
一场暴雨袭来，水流越来越湍急。[{'character': '一', 'pinyin': 'i4', 'highest pitch': 10.65, 'lowest pitch': 9.3, 'duration': 0.15, 'prosody hierarchy': 'null'}, {'character': '场', 'pinyin': 'chang3', 'highest pitch': 9.3, 'lowest pitch': 6.32, 'duration': 0.31, 'prosody hierarchy': '#2'}, {'character': '暴', 'pinyin': 'bao4', 'highest pitch': 10.91, 'lowest pitch': 9.6, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '雨', 'pinyin': 'v3', 'highest pitch': 9.6, 'lowest pitch': 6.16, 'duration': 0.18, 'prosody hierarchy': '#1'}, {'character': '袭', 'pinyin': 'xi2', 'highest pitch': 7.75, 'lowest pitch': 6.16, 'duration': 0.19, 'prosody hierarchy': 'null'}, {'character': '来', 'pinyin': 'lai2', 'highest pitch': 10.06, 'lowest pitch': 6.47, 'duration': 0.29, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.06}, {'character': '水', 'pinyin': 'shuei3', 'highest pitch': 7.59, 'lowest pitch': 5.73, 'duration': 0.26, 'prosody hierarchy': 'null'}, {'character': '流', 'pinyin': 'liou2', 'highest pitch': 8.63, 'lowest pitch': 5.63, 'duration': 0.23, 'prosody hierarchy': '#2'}, {'character': '越', 'pinyin': 've4', 'highest pitch': 10.8, 'lowest pitch': 8.63, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '来', 'pinyin': 'lai2', 'highest pitch': 10.06, 'lowest pitch': 6.68, 'duration': 0.16, 'prosody hierarchy': 'null'}, {'character': '越', 'pinyin': 've4', 'highest pitch': 10.8, 'lowest pitch': 6.01, 'duration': 0.15, 'prosody hierarchy': '#1'}, {'character': '湍', 'pinyin': 'tuan1', 'highest pitch': 8.05, 'lowest pitch': 6.94, 'duration': 0.26, 'prosody hierarchy': 'null'}, {'character': '急', 'pinyin': 'ji2', 'highest pitch': 7.06, 'lowest pitch': 5.7, 'duration': 0.31, 'prosody hierarchy': '#4'}]