多亏有洒水车帮忙清洗。
为了稳妥起见，紧接着洒水车又进行了第二次清洗。[{'character': '为', 'pinyin': 'uei4', 'highest pitch': 9.96, 'lowest pitch': 9.37, 'duration': 0.13, 'prosody hierarchy': 'null'}, {'character': '了', 'pinyin': 'le5', 'highest pitch': 9.37, 'lowest pitch': 7.94, 'duration': 0.22, 'prosody hierarchy': '#2'}, {'character': '稳', 'pinyin': 'uen2', 'highest pitch': 10.4, 'lowest pitch': 7.94, 'duration': 0.16, 'prosody hierarchy': 'null'}, {'character': '妥', 'pinyin': 'tuo2', 'highest pitch': 10.34, 'lowest pitch': 8.23, 'duration': 0.18, 'prosody hierarchy': '#1'}, {'character': '起', 'pinyin': 'qi3', 'highest pitch': 8.32, 'lowest pitch': 5.68, 'duration': 0.19, 'prosody hierarchy': 'null'}, {'character': '见', 'pinyin': 'jian4', 'highest pitch': 7.31, 'lowest pitch': 5.68, 'duration': 0.24, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.11}, {'character': '紧', 'pinyin': 'jin3', 'highest pitch': 7.74, 'lowest pitch': 5.8, 'duration': 0.24, 'prosody hierarchy': 'null'}, {'character': '接', 'pinyin': 'jie1', 'highest pitch': 10.54, 'lowest pitch': 5.84, 'duration': 0.17, 'prosody hierarchy': 'null'}, {'character': '着', 'pinyin': 'zhe5', 'highest pitch': 9.72, 'lowest pitch': 7.28, 'duration': 0.19, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.06}, {'character': '洒', 'pinyin': 'sa2', 'highest pitch': 7.66, 'lowest pitch': 6.74, 'duration': 0.24, 'prosody hierarchy': 'null'}, {'character': '水', 'pinyin': 'shuei3', 'highest pitch': 7.64, 'lowest pitch': 4.49, 'duration': 0.16, 'prosody hierarchy': 'null'}, {'character': '车', 'pinyin': 'che1', 'highest pitch': 7.52, 'lowest pitch': 7.17, 'duration': 0.25, 'prosody hierarchy': '#1'}, {'character': '又', 'pinyin': 'iou4', 'highest pitch': 7.77, 'lowest pitch': 6.35, 'duration': 0.15, 'prosody hierarchy': '#1'}, {'character': '进', 'pinyin': 'jin4', 'highest pitch': 7.45, 'lowest pitch': 6.11, 'duration': 0.17, 'prosody hierarchy': 'null'}, {'character': '行', 'pinyin': 'xing2', 'highest pitch': 6.77, 'lowest pitch': 5.63, 'duration': 0.17, 'prosody hierarchy': 'null'}, {'character': '了', 'pinyin': 'le5', 'highest pitch': 9.37, 'lowest pitch': 6.77, 'duration': 0.13, 'prosody hierarchy': '#1'}, {'character': '第', 'pinyin': 'di4', 'highest pitch': 11.19, 'lowest pitch': 10.19, 'duration': 0.13, 'prosody hierarchy': 'null'}, {'character': '二', 'pinyin': 'er4', 'highest pitch': 11.42, 'lowest pitch': 8.36, 'duration': 0.16, 'prosody hierarchy': 'null'}, {'character': '次', 'pinyin': 'cii4', 'highest pitch': 8.36, 'lowest pitch': 5.77, 'duration': 0.18, 'prosody hierarchy': '#1'}, {'character': '清', 'pinyin': 'qing1', 'highest pitch': 7.49, 'lowest pitch': 5.77, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '洗', 'pinyin': 'xi3', 'highest pitch': 4.08, 'lowest pitch': 1.52, 'duration': 0.29, 'prosody hierarchy': '#4'}]