今天下雪了。
武警战士帮忙扫雪。[{'character': '武', 'pinyin': 'u2', 'highest pitch': 11.62, 'lowest pitch': 8.7, 'duration': 0.17, 'prosody hierarchy': 'null'}, {'character': '警', 'pinyin': 'jing3', 'highest pitch': 11.03, 'lowest pitch': 6.48, 'duration': 0.19, 'prosody hierarchy': '#1'}, {'character': '战', 'pinyin': 'zhan4', 'highest pitch': 10.43, 'lowest pitch': 6.92, 'duration': 0.23, 'prosody hierarchy': 'null'}, {'character': '士', 'pinyin': 'shiii5', 'highest pitch': 8.84, 'lowest pitch': 5.77, 'duration': 0.23, 'prosody hierarchy': '#2'}, {'character': '帮', 'pinyin': 'bang1', 'highest pitch': 8.08, 'lowest pitch': 7.55, 'duration': 0.17, 'prosody hierarchy': 'null'}, {'character': '忙', 'pinyin': 'mang2', 'highest pitch': 8.6, 'lowest pitch': 6.93, 'duration': 0.17, 'prosody hierarchy': '#1'}, {'character': '扫', 'pinyin': 'sao2', 'highest pitch': 8.77, 'lowest pitch': 6.73, 'duration': 0.21, 'prosody hierarchy': 'null'}, {'character': '雪', 'pinyin': 'xve3', 'highest pitch': 13.03, 'lowest pitch': 6.48, 'duration': 0.35, 'prosody hierarchy': '#4'}]