那我们要如何获取人体鲜尿液？
尿激酶的生产原料来自人体鲜尿液。[{'character': '尿', 'pinyin': 'niao4', 'highest pitch': 10.63, 'lowest pitch': 8.52, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '激', 'pinyin': 'ji1', 'highest pitch': 10.88, 'lowest pitch': 8.52, 'duration': 0.17, 'prosody hierarchy': 'null'}, {'character': '酶', 'pinyin': 'mei2', 'highest pitch': 10.61, 'lowest pitch': 7.28, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '的', 'pinyin': 'de5', 'highest pitch': 8.31, 'lowest pitch': 7.42, 'duration': 0.1, 'prosody hierarchy': '#1'}, {'character': '生', 'pinyin': 'sheng1', 'highest pitch': 9.28, 'lowest pitch': 8.0, 'duration': 0.19, 'prosody hierarchy': 'null'}, {'character': '产', 'pinyin': 'chan3', 'highest pitch': 9.16, 'lowest pitch': 5.82, 'duration': 0.21, 'prosody hierarchy': '#1'}, {'character': '原', 'pinyin': 'van2', 'highest pitch': 6.46, 'lowest pitch': 5.63, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '料', 'pinyin': 'liao4', 'highest pitch': 7.85, 'lowest pitch': 6.35, 'duration': 0.28, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.08}, {'character': '来', 'pinyin': 'lai2', 'highest pitch': 7.49, 'lowest pitch': 6.62, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '自', 'pinyin': 'zii4', 'highest pitch': 8.0, 'lowest pitch': 6.62, 'duration': 0.21, 'prosody hierarchy': '#2'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.05}, {'character': '人', 'pinyin': 'ren2', 'highest pitch': 10.12, 'lowest pitch': 7.06, 'duration': 0.25, 'prosody hierarchy': 'null'}, {'character': '体', 'pinyin': 'ti3', 'highest pitch': 10.12, 'lowest pitch': 5.53, 'duration': 0.22, 'prosody hierarchy': '#1'}, {'character': '鲜', 'pinyin': 'xian1', 'highest pitch': 10.39, 'lowest pitch': 9.67, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '尿', 'pinyin': 'niao4', 'highest pitch': 10.63, 'lowest pitch': 8.15, 'duration': 0.24, 'prosody hierarchy': 'null'}, {'character': '液', 'pinyin': 'ie4', 'highest pitch': 8.37, 'lowest pitch': 1.43, 'duration': 0.28, 'prosody hierarchy': '#4'}]