这是一次历史性的钻探。
大海深处，早已铆足了劲儿的钻头终于钻入了地层之中。[{'character': '大', 'pinyin': 'da4', 'highest pitch': 11.06, 'lowest pitch': 9.32, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '海', 'pinyin': 'hai3', 'highest pitch': 9.32, 'lowest pitch': 5.81, 'duration': 0.21, 'prosody hierarchy': '#1'}, {'character': '深', 'pinyin': 'shen1', 'highest pitch': 10.54, 'lowest pitch': 6.1, 'duration': 0.24, 'prosody hierarchy': 'null'}, {'character': '处', 'pinyin': 'chu4', 'highest pitch': 10.65, 'lowest pitch': 6.85, 'duration': 0.31, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.27}, {'character': '早', 'pinyin': 'zao2', 'highest pitch': 8.63, 'lowest pitch': 7.38, 'duration': 0.24, 'prosody hierarchy': 'null'}, {'character': '已', 'pinyin': 'i2', 'highest pitch': 9.15, 'lowest pitch': 8.29, 'duration': 0.16, 'prosody hierarchy': '#2'}, {'character': '铆', 'pinyin': 'mao3', 'highest pitch': 9.34, 'lowest pitch': 5.46, 'duration': 0.27, 'prosody hierarchy': 'null'}, {'character': '足', 'pinyin': 'zu2', 'highest pitch': 6.98, 'lowest pitch': 5.63, 'duration': 0.14, 'prosody hierarchy': 'null'}, {'character': '了', 'pinyin': 'le5', 'highest pitch': 10.52, 'lowest pitch': 6.98, 'duration': 0.1, 'prosody hierarchy': '#1'}, {'character': '劲', 'pinyin': 'jinr4', 'highest pitch': 11.23, 'lowest pitch': 8.2, 'duration': 0.24, 'prosody hierarchy': 'null'}, {'character': '儿', 'pinyin': 'de5', 'highest pitch': 7.42, 'lowest pitch': 6.87, 'duration': 0.11, 'prosody hierarchy': 'null'}, {'character': '的', 'pinyin': 'zuan4', 'highest pitch': 9.37, 'lowest pitch': 6.82, 'duration': 0.26, 'prosody hierarchy': '#1'}, {'character': '钻', 'pinyin': 'tou5', 'highest pitch': 7.09, 'lowest pitch': 5.75, 'duration': 0.27, 'prosody hierarchy': 'null'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.23}, {'character': '头', 'pinyin': 'zhong1', 'highest pitch': 11.41, 'lowest pitch': 10.3, 'duration': 0.25, 'prosody hierarchy': '#3'}, {'character': '终', 'pinyin': 'v2', 'highest pitch': 10.3, 'lowest pitch': 7.18, 'duration': 0.16, 'prosody hierarchy': 'null'}, {'character': '于', 'pinyin': 'zuan1', 'highest pitch': 9.31, 'lowest pitch': 7.18, 'duration': 0.24, 'prosody hierarchy': '#1'}, {'character': '钻', 'pinyin': 'ru4', 'highest pitch': 8.88, 'lowest pitch': 7.16, 'duration': 0.13, 'prosody hierarchy': 'null'}, {'character': '入', 'pinyin': 'le5', 'highest pitch': 10.52, 'lowest pitch': 6.01, 'duration': 0.12, 'prosody hierarchy': 'null'}, {'character': '了', 'pinyin': 'di4', 'highest pitch': 8.62, 'lowest pitch': 7.04, 'duration': 0.16, 'prosody hierarchy': '#1'}, {'character': '地', 'pinyin': 'ceng2', 'highest pitch': 7.29, 'lowest pitch': 6.32, 'duration': 0.25, 'prosody hierarchy': 'null'}, {'character': '层', 'pinyin': 'zhiii1', 'highest pitch': 9.08, 'lowest pitch': 7.2, 'duration': 0.17, 'prosody hierarchy': '#1'}, {'character': '之', 'pinyin': 'zhong1', 'highest pitch': 11.41, 'lowest pitch': 8.41, 'duration': 0.31, 'prosody hierarchy': 'null'}]