关于使用电热毯这个话题，我们还需要注意一些事项。
经常使用电热毯者，还应适量增加饮水。[{'character': '经', 'pinyin': 'jing1', 'highest pitch': 11.45, 'lowest pitch': 10.22, 'duration': 0.23, 'prosody hierarchy': 'null'}, {'character': '常', 'pinyin': 'chang2', 'highest pitch': 11.45, 'lowest pitch': 8.14, 'duration': 0.22, 'prosody hierarchy': '#1'}, {'character': '使', 'pinyin': 'shiii3', 'highest pitch': 9.23, 'lowest pitch': 6.79, 'duration': 0.19, 'prosody hierarchy': 'null'}, {'character': '用', 'pinyin': 'iong4', 'highest pitch': 7.54, 'lowest pitch': 7.01, 'duration': 0.21, 'prosody hierarchy': '#1'}, {'character': '电', 'pinyin': 'dian4', 'highest pitch': 9.87, 'lowest pitch': 7.05, 'duration': 0.16, 'prosody hierarchy': 'null'}, {'character': '热', 'pinyin': 're4', 'highest pitch': 8.34, 'lowest pitch': 6.67, 'duration': 0.14, 'prosody hierarchy': 'null'}, {'character': '毯', 'pinyin': 'tan2', 'highest pitch': 7.62, 'lowest pitch': 5.75, 'duration': 0.26, 'prosody hierarchy': 'null'}, {'character': '者', 'pinyin': 'zhe3', 'highest pitch': 14.33, 'lowest pitch': 7.0, 'duration': 0.27, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.21}, {'character': '还', 'pinyin': 'hai2', 'highest pitch': 7.26, 'lowest pitch': 6.59, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '应', 'pinyin': 'ing1', 'highest pitch': 8.52, 'lowest pitch': 7.01, 'duration': 0.22, 'prosody hierarchy': '#1'}, {'character': '适', 'pinyin': 'shiii4', 'highest pitch': 10.69, 'lowest pitch': 9.67, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '量', 'pinyin': 'liang4', 'highest pitch': 9.67, 'lowest pitch': 7.36, 'duration': 0.29, 'prosody hierarchy': '#2'}, {'character': '增', 'pinyin': 'zeng1', 'highest pitch': 8.84, 'lowest pitch': 7.49, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '加', 'pinyin': 'jia1', 'highest pitch': 9.45, 'lowest pitch': 7.85, 'duration': 0.18, 'prosody hierarchy': '#1'}, {'character': '饮', 'pinyin': 'in2', 'highest pitch': 10.03, 'lowest pitch': 6.4, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '水', 'pinyin': 'shuei3', 'highest pitch': 10.03, 'lowest pitch': 2.23, 'duration': 0.36, 'prosody hierarchy': '#4'}]