原来如此，我以前没有听说过这个。
这与历史上的“闯关东”有关。[{'character': '这', 'pinyin': 'zhe4', 'highest pitch': 10.86, 'lowest pitch': 8.39, 'duration': 0.23, 'prosody hierarchy': 'null'}, {'character': '与', 'pinyin': 'v3', 'highest pitch': 8.39, 'lowest pitch': 6.8, 'duration': 0.15, 'prosody hierarchy': '#2'}, {'character': '历', 'pinyin': 'li4', 'highest pitch': 10.44, 'lowest pitch': 6.98, 'duration': 0.21, 'prosody hierarchy': 'null'}, {'character': '史', 'pinyin': 'shiii3', 'highest pitch': 8.66, 'lowest pitch': 6.65, 'duration': 0.14, 'prosody hierarchy': 'null'}, {'character': '上', 'pinyin': 'shang4', 'highest pitch': 8.92, 'lowest pitch': 6.8, 'duration': 0.23, 'prosody hierarchy': 'null'}, {'character': '的', 'pinyin': 'de5', 'highest pitch': 7.08, 'lowest pitch': 5.96, 'duration': 0.14, 'prosody hierarchy': '#2'}, {'character': '闯', 'pinyin': 'chuang3', 'highest pitch': 6.8, 'lowest pitch': 4.13, 'duration': 0.25, 'prosody hierarchy': 'null'}, {'character': '关', 'pinyin': 'guan1', 'highest pitch': 9.6, 'lowest pitch': 7.57, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '东', 'pinyin': 'dong1', 'highest pitch': 10.93, 'lowest pitch': 9.5, 'duration': 0.18, 'prosody hierarchy': '#1'}, {'character': '有', 'pinyin': 'iou3', 'highest pitch': 10.74, 'lowest pitch': 4.32, 'duration': 0.19, 'prosody hierarchy': 'null'}, {'character': '关', 'pinyin': 'guan1', 'highest pitch': 9.6, 'lowest pitch': 6.72, 'duration': 0.32, 'prosody hierarchy': '#4'}]