你知道冰岛的冬天有多长吗？
冰岛更是昼夜难辨，仿佛进入“核冬天”。[{'character': '冰', 'pinyin': 'bing1', 'highest pitch': 10.99, 'lowest pitch': 10.07, 'duration': 0.25, 'prosody hierarchy': 'null'}, {'character': '岛', 'pinyin': 'dao3', 'highest pitch': 10.48, 'lowest pitch': 4.95, 'duration': 0.3, 'prosody hierarchy': '#2'}, {'character': '更', 'pinyin': 'geng4', 'highest pitch': 8.61, 'lowest pitch': 7.63, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '是', 'pinyin': 'shiii4', 'highest pitch': 8.23, 'lowest pitch': 6.86, 'duration': 0.19, 'prosody hierarchy': '#1'}, {'character': '昼', 'pinyin': 'zhou4', 'highest pitch': 10.42, 'lowest pitch': 6.86, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '夜', 'pinyin': 'ie4', 'highest pitch': 8.84, 'lowest pitch': 7.38, 'duration': 0.14, 'prosody hierarchy': '#1'}, {'character': '难', 'pinyin': 'nan2', 'highest pitch': 7.48, 'lowest pitch': 5.46, 'duration': 0.27, 'prosody hierarchy': 'null'}, {'character': '辨', 'pinyin': 'bian4', 'highest pitch': 9.73, 'lowest pitch': 7.48, 'duration': 0.26, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.12}, {'character': '仿', 'pinyin': 'fang3', 'highest pitch': 6.21, 'lowest pitch': 5.54, 'duration': 0.27, 'prosody hierarchy': 'null'}, {'character': '佛', 'pinyin': 'fu2', 'highest pitch': 6.77, 'lowest pitch': 6.17, 'duration': 0.18, 'prosody hierarchy': '#1'}, {'character': '进', 'pinyin': 'jin4', 'highest pitch': 8.65, 'lowest pitch': 6.77, 'duration': 0.19, 'prosody hierarchy': 'null'}, {'character': '入', 'pinyin': 'ru4', 'highest pitch': 7.16, 'lowest pitch': 6.21, 'duration': 0.14, 'prosody hierarchy': '#1'}, {'character': '核', 'pinyin': 'he2', 'highest pitch': 7.48, 'lowest pitch': 6.1, 'duration': 0.26, 'prosody hierarchy': 'null'}, {'character': '冬', 'pinyin': 'dong1', 'highest pitch': 10.08, 'lowest pitch': 9.61, 'duration': 0.21, 'prosody hierarchy': 'null'}, {'character': '天', 'pinyin': 'tian1', 'highest pitch': 9.59, 'lowest pitch': 9.0, 'duration': 0.36, 'prosody hierarchy': '#4'}]