哇，这个邮戳真是难得一见！
罕见的泰坦尼克号邮戳。[{'character': '罕', 'pinyin': 'han3', 'highest pitch': 9.01, 'lowest pitch': 7.3, 'duration': 0.28, 'prosody hierarchy': 'null'}, {'character': '见', 'pinyin': 'jian4', 'highest pitch': 10.48, 'lowest pitch': 7.3, 'duration': 0.26, 'prosody hierarchy': 'null'}, {'character': '的', 'pinyin': 'de5', 'highest pitch': 8.55, 'lowest pitch': 7.65, 'duration': 0.23, 'prosody hierarchy': '#2'}, {'character': '泰', 'pinyin': 'tai4', 'highest pitch': 10.87, 'lowest pitch': 10.08, 'duration': 0.23, 'prosody hierarchy': 'null'}, {'character': '坦', 'pinyin': 'tan3', 'highest pitch': 8.87, 'lowest pitch': 6.71, 'duration': 0.19, 'prosody hierarchy': 'null'}, {'character': '尼', 'pinyin': 'ni2', 'highest pitch': 7.94, 'lowest pitch': 6.5, 'duration': 0.15, 'prosody hierarchy': 'null'}, {'character': '克', 'pinyin': 'ke4', 'highest pitch': 10.03, 'lowest pitch': 9.09, 'duration': 0.17, 'prosody hierarchy': 'null'}, {'character': '号', 'pinyin': 'hao4', 'highest pitch': 10.0, 'lowest pitch': 7.59, 'duration': 0.21, 'prosody hierarchy': '#1'}, {'character': '邮', 'pinyin': 'iou2', 'highest pitch': 8.6, 'lowest pitch': 6.82, 'duration': 0.19, 'prosody hierarchy': 'null'}, {'character': '戳', 'pinyin': 'chuo1', 'highest pitch': 10.26, 'lowest pitch': 9.82, 'duration': 0.34, 'prosody hierarchy': '#4'}]