那你觉得土暖气有什么用途呢？
土暖气用来供热，也用来做饭。[{'character': '土', 'pinyin': 'tu2', 'highest pitch': 11.36, 'lowest pitch': 8.94, 'duration': 0.28, 'prosody hierarchy': 'null'}, {'character': '暖', 'pinyin': 'nuan3', 'highest pitch': 11.41, 'lowest pitch': 6.24, 'duration': 0.28, 'prosody hierarchy': 'null'}, {'character': '气', 'pinyin': 'qi4', 'highest pitch': 9.19, 'lowest pitch': 6.68, 'duration': 0.29, 'prosody hierarchy': '#2'}, {'character': '用', 'pinyin': 'iong4', 'highest pitch': 9.98, 'lowest pitch': 7.83, 'duration': 0.19, 'prosody hierarchy': 'null'}, {'character': '来', 'pinyin': 'lai2', 'highest pitch': 8.22, 'lowest pitch': 6.68, 'duration': 0.17, 'prosody hierarchy': '#1'}, {'character': '供', 'pinyin': 'gong1', 'highest pitch': 10.73, 'lowest pitch': 7.42, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '热', 'pinyin': 're4', 'highest pitch': 10.94, 'lowest pitch': 7.54, 'duration': 0.29, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.1}, {'character': '也', 'pinyin': 'ie3', 'highest pitch': 7.92, 'lowest pitch': 6.36, 'duration': 0.11, 'prosody hierarchy': '#1'}, {'character': '用', 'pinyin': 'iong4', 'highest pitch': 9.98, 'lowest pitch': 6.65, 'duration': 0.17, 'prosody hierarchy': 'null'}, {'character': '来', 'pinyin': 'lai2', 'highest pitch': 8.22, 'lowest pitch': 6.38, 'duration': 0.17, 'prosody hierarchy': '#1'}, {'character': '做', 'pinyin': 'zuo4', 'highest pitch': 10.33, 'lowest pitch': 8.8, 'duration': 0.23, 'prosody hierarchy': 'null'}, {'character': '饭', 'pinyin': 'fan4', 'highest pitch': 10.96, 'lowest pitch': 6.97, 'duration': 0.3, 'prosody hierarchy': '#4'}]