寒冬已至，岁月如梭。
寒风凛冽候鸟悠然觅食。[{'character': '寒', 'pinyin': 'han2', 'highest pitch': 9.4, 'lowest pitch': 7.55, 'duration': 0.29, 'prosody hierarchy': 'null'}, {'character': '风', 'pinyin': 'feng1', 'highest pitch': 11.2, 'lowest pitch': 9.4, 'duration': 0.26, 'prosody hierarchy': '#1'}, {'character': '凛', 'pinyin': 'lin3', 'highest pitch': 10.69, 'lowest pitch': 5.7, 'duration': 0.21, 'prosody hierarchy': 'null'}, {'character': '冽', 'pinyin': 'lie4', 'highest pitch': 9.27, 'lowest pitch': 6.0, 'duration': 0.27, 'prosody hierarchy': '#2'}, {'character': '候', 'pinyin': 'hou4', 'highest pitch': 10.84, 'lowest pitch': 7.71, 'duration': 0.25, 'prosody hierarchy': 'null'}, {'character': '鸟', 'pinyin': 'niao3', 'highest pitch': 8.37, 'lowest pitch': 5.03, 'duration': 0.23, 'prosody hierarchy': '#1'}, {'character': '悠', 'pinyin': 'iou1', 'highest pitch': 10.21, 'lowest pitch': 5.91, 'duration': 0.19, 'prosody hierarchy': 'null'}, {'character': '然', 'pinyin': 'ran2', 'highest pitch': 9.89, 'lowest pitch': 7.41, 'duration': 0.19, 'prosody hierarchy': '#1'}, {'character': '觅', 'pinyin': 'mi4', 'highest pitch': 10.75, 'lowest pitch': 7.86, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '食', 'pinyin': 'shiii2', 'highest pitch': 8.61, 'lowest pitch': 5.56, 'duration': 0.38, 'prosody hierarchy': '#4'}]