怎么卖一斗蚬？
一斗令一碗，相当于两碗白蚬。[{'character': '一', 'pinyin': 'i4', 'highest pitch': 10.95, 'lowest pitch': 8.67, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '斗', 'pinyin': 'dou3', 'highest pitch': 8.79, 'lowest pitch': 6.07, 'duration': 0.2, 'prosody hierarchy': '#2'}, {'character': '令', 'pinyin': 'ling4', 'highest pitch': 9.75, 'lowest pitch': 6.27, 'duration': 0.2, 'prosody hierarchy': '#1'}, {'character': '一', 'pinyin': 'i4', 'highest pitch': 10.95, 'lowest pitch': 6.96, 'duration': 0.15, 'prosody hierarchy': 'null'}, {'character': '碗', 'pinyin': 'uan3', 'highest pitch': 10.47, 'lowest pitch': 4.28, 'duration': 0.33, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.14}, {'character': '相', 'pinyin': 'xiang1', 'highest pitch': 9.13, 'lowest pitch': 7.99, 'duration': 0.25, 'prosody hierarchy': 'null'}, {'character': '当', 'pinyin': 'dang1', 'highest pitch': 8.66, 'lowest pitch': 8.07, 'duration': 0.19, 'prosody hierarchy': 'null'}, {'character': '于', 'pinyin': 'v2', 'highest pitch': 8.14, 'lowest pitch': 6.63, 'duration': 0.21, 'prosody hierarchy': '#2'}, {'character': '两', 'pinyin': 'liang2', 'highest pitch': 10.47, 'lowest pitch': 1.99, 'duration': 0.28, 'prosody hierarchy': 'null'}, {'character': '碗', 'pinyin': 'uan3', 'highest pitch': 10.47, 'lowest pitch': 5.39, 'duration': 0.19, 'prosody hierarchy': '#1'}, {'character': '白', 'pinyin': 'bai2', 'highest pitch': 10.37, 'lowest pitch': 6.09, 'duration': 0.23, 'prosody hierarchy': 'null'}, {'character': '蚬', 'pinyin': 'xian3', 'highest pitch': 14.16, 'lowest pitch': 6.64, 'duration': 0.36, 'prosody hierarchy': '#4'}]