"我想知道应该用多少洗手液才合适。"
每次用一小滴洗手液即可。[{'character': '每', 'pinyin': 'mei3', 'highest pitch': 8.42, 'lowest pitch': 7.85, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '次', 'pinyin': 'cii4', 'highest pitch': 10.14, 'lowest pitch': 9.25, 'duration': 0.29, 'prosody hierarchy': '#2'}, {'character': '用', 'pinyin': 'iong4', 'highest pitch': 10.55, 'lowest pitch': 9.16, 'duration': 0.18, 'prosody hierarchy': '#1'}, {'character': '一', 'pinyin': 'i4', 'highest pitch': 9.81, 'lowest pitch': 8.7, 'duration': 0.13, 'prosody hierarchy': 'null'}, {'character': '小', 'pinyin': 'xiao3', 'highest pitch': 8.98, 'lowest pitch': 5.77, 'duration': 0.23, 'prosody hierarchy': 'null'}, {'character': '滴', 'pinyin': 'di1', 'highest pitch': 9.8, 'lowest pitch': 9.0, 'duration': 0.17, 'prosody hierarchy': '#1'}, {'character': '洗', 'pinyin': 'xi2', 'highest pitch': 10.28, 'lowest pitch': 9.61, 'duration': 0.16, 'prosody hierarchy': 'null'}, {'character': '手', 'pinyin': 'shou3', 'highest pitch': 10.28, 'lowest pitch': 6.06, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '液', 'pinyin': 'ie4', 'highest pitch': 10.26, 'lowest pitch': 7.47, 'duration': 0.2, 'prosody hierarchy': '#1'}, {'character': '即', 'pinyin': 'ji2', 'highest pitch': 6.71, 'lowest pitch': 6.52, 'duration': 0.19, 'prosody hierarchy': 'null'}, {'character': '可', 'pinyin': 'ke3', 'highest pitch': 13.88, 'lowest pitch': 4.96, 'duration': 0.38, 'prosody hierarchy': '#4'}]