这是什么味道？
四周已被消防员洒满了白色灭火剂。[{'character': '四', 'pinyin': 'sii4', 'highest pitch': 10.53, 'lowest pitch': 8.79, 'duration': 0.21, 'prosody hierarchy': 'null'}, {'character': '周', 'pinyin': 'zhou1', 'highest pitch': 10.77, 'lowest pitch': 8.79, 'duration': 0.25, 'prosody hierarchy': '#2'}, {'character': '已', 'pinyin': 'i3', 'highest pitch': 9.78, 'lowest pitch': 6.71, 'duration': 0.15, 'prosody hierarchy': 'null'}, {'character': '被', 'pinyin': 'bei4', 'highest pitch': 8.24, 'lowest pitch': 7.45, 'duration': 0.13, 'prosody hierarchy': '#1'}, {'character': '消', 'pinyin': 'xiao1', 'highest pitch': 9.84, 'lowest pitch': 8.24, 'duration': 0.17, 'prosody hierarchy': 'null'}, {'character': '防', 'pinyin': 'fang2', 'highest pitch': 9.63, 'lowest pitch': 8.25, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '员', 'pinyin': 'van2', 'highest pitch': 8.46, 'lowest pitch': 6.15, 'duration': 0.25, 'prosody hierarchy': '#2'}, {'character': '洒', 'pinyin': 'sa2', 'highest pitch': 7.07, 'lowest pitch': 6.57, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '满', 'pinyin': 'man3', 'highest pitch': 7.67, 'lowest pitch': 5.07, 'duration': 0.23, 'prosody hierarchy': 'null'}, {'character': '了', 'pinyin': 'le5', 'highest pitch': 5.57, 'lowest pitch': 5.08, 'duration': 0.16, 'prosody hierarchy': '#1'}, {'character': '白', 'pinyin': 'bai2', 'highest pitch': 8.02, 'lowest pitch': 6.05, 'duration': 0.21, 'prosody hierarchy': 'null'}, {'character': '色', 'pinyin': 'se4', 'highest pitch': 10.48, 'lowest pitch': 9.54, 'duration': 0.15, 'prosody hierarchy': '#1'}, {'character': '灭', 'pinyin': 'mie4', 'highest pitch': 9.6, 'lowest pitch': 8.35, 'duration': 0.21, 'prosody hierarchy': 'null'}, {'character': '火', 'pinyin': 'huo3', 'highest pitch': 13.81, 'lowest pitch': 7.28, 'duration': 0.19, 'prosody hierarchy': 'null'}, {'character': '剂', 'pinyin': 'ji4', 'highest pitch': 8.38, 'lowest pitch': 6.28, 'duration': 0.31, 'prosody hierarchy': '#4'}]