下大雨了，我们需要采取措施防止水灾。
许多住户在门口筑起沙袋，日夜舀水排涝。[{'character': '许', 'pinyin': 'xv3', 'highest pitch': 8.34, 'lowest pitch': 7.08, 'duration': 0.21, 'prosody hierarchy': 'null'}, {'character': '多', 'pinyin': 'duo1', 'highest pitch': 10.78, 'lowest pitch': 7.08, 'duration': 0.15, 'prosody hierarchy': '#1'}, {'character': '住', 'pinyin': 'zhu4', 'highest pitch': 10.85, 'lowest pitch': 9.36, 'duration': 0.19, 'prosody hierarchy': 'null'}, {'character': '户', 'pinyin': 'hu4', 'highest pitch': 9.36, 'lowest pitch': 7.27, 'duration': 0.23, 'prosody hierarchy': '#2'}, {'character': '在', 'pinyin': 'zai4', 'highest pitch': 8.43, 'lowest pitch': 7.27, 'duration': 0.14, 'prosody hierarchy': '#1'}, {'character': '门', 'pinyin': 'men2', 'highest pitch': 7.54, 'lowest pitch': 6.23, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '口', 'pinyin': 'kou3', 'highest pitch': 7.54, 'lowest pitch': 4.55, 'duration': 0.25, 'prosody hierarchy': '#2'}, {'character': '筑', 'pinyin': 'zhu4', 'highest pitch': 10.85, 'lowest pitch': 7.11, 'duration': 0.16, 'prosody hierarchy': 'null'}, {'character': '起', 'pinyin': 'qi3', 'highest pitch': 7.11, 'lowest pitch': 4.79, 'duration': 0.16, 'prosody hierarchy': '#1'}, {'character': '沙', 'pinyin': 'sha1', 'highest pitch': 8.81, 'lowest pitch': 5.02, 'duration': 0.25, 'prosody hierarchy': 'null'}, {'character': '袋', 'pinyin': 'dai4', 'highest pitch': 9.76, 'lowest pitch': 6.1, 'duration': 0.28, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.1}, {'character': '日', 'pinyin': 'riii4', 'highest pitch': 7.94, 'lowest pitch': 6.48, 'duration': 0.21, 'prosody hierarchy': 'null'}, {'character': '夜', 'pinyin': 'ie4', 'highest pitch': 6.89, 'lowest pitch': 5.87, 'duration': 0.18, 'prosody hierarchy': '#1'}, {'character': '舀', 'pinyin': 'iao2', 'highest pitch': 9.46, 'lowest pitch': 5.77, 'duration': 0.24, 'prosody hierarchy': 'null'}, {'character': '水', 'pinyin': 'shuei3', 'highest pitch': 12.86, 'lowest pitch': 9.46, 'duration': 0.19, 'prosody hierarchy': '#1'}, {'character': '排', 'pinyin': 'pai2', 'highest pitch': 5.92, 'lowest pitch': 5.31, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '涝', 'pinyin': 'lao4', 'highest pitch': 8.88, 'lowest pitch': 5.73, 'duration': 0.31, 'prosody hierarchy': '#4'}]