挖掘工作进展得怎么样了？
截至目前，挖掘工作已经结束，目前压路机正在夯实地基。[{'character': '截', 'pinyin': 'jie2', 'highest pitch': 9.67, 'lowest pitch': 8.76, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '至', 'pinyin': 'zhiii4', 'highest pitch': 11.12, 'lowest pitch': 8.83, 'duration': 0.11, 'prosody hierarchy': '#1'}, {'character': '目', 'pinyin': 'mu4', 'highest pitch': 10.83, 'lowest pitch': 9.13, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '前', 'pinyin': 'qian2', 'highest pitch': 8.69, 'lowest pitch': 6.95, 'duration': 0.35, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.28}, {'character': '挖', 'pinyin': 'ua1', 'highest pitch': 11.3, 'lowest pitch': 9.67, 'duration': 0.16, 'prosody hierarchy': 'null'}, {'character': '掘', 'pinyin': 'jve2', 'highest pitch': 10.98, 'lowest pitch': 7.3, 'duration': 0.18, 'prosody hierarchy': '#1'}, {'character': '工', 'pinyin': 'gong1', 'highest pitch': 8.71, 'lowest pitch': 7.3, 'duration': 0.21, 'prosody hierarchy': 'null'}, {'character': '作', 'pinyin': 'zuo4', 'highest pitch': 9.03, 'lowest pitch': 7.5, 'duration': 0.18, 'prosody hierarchy': '#1'}, {'character': '已', 'pinyin': 'i3', 'highest pitch': 7.53, 'lowest pitch': 5.02, 'duration': 0.15, 'prosody hierarchy': 'null'}, {'character': '经', 'pinyin': 'jing1', 'highest pitch': 10.22, 'lowest pitch': 8.93, 'duration': 0.18, 'prosody hierarchy': '#1'}, {'character': '结', 'pinyin': 'jie2', 'highest pitch': 9.67, 'lowest pitch': 6.28, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '束', 'pinyin': 'shu4', 'highest pitch': 12.11, 'lowest pitch': 6.05, 'duration': 0.27, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.38}, {'character': '目', 'pinyin': 'mu4', 'highest pitch': 10.83, 'lowest pitch': 7.79, 'duration': 0.14, 'prosody hierarchy': 'null'}, {'character': '前', 'pinyin': 'qian2', 'highest pitch': 8.69, 'lowest pitch': 6.74, 'duration': 0.2, 'prosody hierarchy': '#1'}, {'character': '压', 'pinyin': 'ia1', 'highest pitch': 8.59, 'lowest pitch': 7.52, 'duration': 0.17, 'prosody hierarchy': 'null'}, {'character': '路', 'pinyin': 'lu4', 'highest pitch': 8.34, 'lowest pitch': 6.51, 'duration': 0.16, 'prosody hierarchy': 'null'}, {'character': '机', 'pinyin': 'ji1', 'highest pitch': 9.33, 'lowest pitch': 6.51, 'duration': 0.28, 'prosody hierarchy': '#2'}, {'character': '正', 'pinyin': 'zheng4', 'highest pitch': 9.48, 'lowest pitch': 7.46, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '在', 'pinyin': 'zai4', 'highest pitch': 8.17, 'lowest pitch': 6.96, 'duration': 0.18, 'prosody hierarchy': '#1'}, {'character': '夯', 'pinyin': 'hang1', 'highest pitch': 10.71, 'lowest pitch': 10.01, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '实', 'pinyin': 'shiii2', 'highest pitch': 10.54, 'lowest pitch': 7.34, 'duration': 0.18, 'prosody hierarchy': '#1'}, {'character': '地', 'pinyin': 'di4', 'highest pitch': 9.25, 'lowest pitch': 7.01, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '基', 'pinyin': 'ji1', 'highest pitch': 9.33, 'lowest pitch': 7.01, 'duration': 0.33, 'prosody hierarchy': '#4'}]