我去厕所了。
收尿用来提炼尿激酶。[{'character': '收', 'pinyin': 'shou1', 'highest pitch': 11.12, 'lowest pitch': 10.93, 'duration': 0.27, 'prosody hierarchy': 'null'}, {'character': '尿', 'pinyin': 'niao4', 'highest pitch': 11.14, 'lowest pitch': 8.45, 'duration': 0.29, 'prosody hierarchy': '#1'}, {'character': '用', 'pinyin': 'iong4', 'highest pitch': 9.39, 'lowest pitch': 7.95, 'duration': 0.14, 'prosody hierarchy': 'null'}, {'character': '来', 'pinyin': 'lai2', 'highest pitch': 8.21, 'lowest pitch': 6.98, 'duration': 0.19, 'prosody hierarchy': '#1'}, {'character': '提', 'pinyin': 'ti2', 'highest pitch': 8.16, 'lowest pitch': 7.04, 'duration': 0.21, 'prosody hierarchy': 'null'}, {'character': '炼', 'pinyin': 'lian4', 'highest pitch': 9.09, 'lowest pitch': 6.83, 'duration': 0.24, 'prosody hierarchy': '#2'}, {'character': '尿', 'pinyin': 'niao4', 'highest pitch': 11.14, 'lowest pitch': 6.77, 'duration': 0.23, 'prosody hierarchy': 'null'}, {'character': '激', 'pinyin': 'ji1', 'highest pitch': 10.1, 'lowest pitch': 6.77, 'duration': 0.15, 'prosody hierarchy': 'null'}, {'character': '酶', 'pinyin': 'mei2', 'highest pitch': 9.91, 'lowest pitch': 5.47, 'duration': 0.35, 'prosody hierarchy': '#4'}]