我们的建筑外墙需要做些什么改进呢？
给建筑外墙加装保温材料俗称给建筑穿“棉袄”。[{'character': '给', 'pinyin': 'gei3', 'highest pitch': 8.66, 'lowest pitch': 6.95, 'duration': 0.24, 'prosody hierarchy': '#1'}, {'character': '建', 'pinyin': 'jian4', 'highest pitch': 11.03, 'lowest pitch': 6.95, 'duration': 0.21, 'prosody hierarchy': 'null'}, {'character': '筑', 'pinyin': 'zhu4', 'highest pitch': 10.17, 'lowest pitch': 9.19, 'duration': 0.13, 'prosody hierarchy': '#1'}, {'character': '外', 'pinyin': 'uai4', 'highest pitch': 9.26, 'lowest pitch': 6.65, 'duration': 0.19, 'prosody hierarchy': 'null'}, {'character': '墙', 'pinyin': 'qiang2', 'highest pitch': 7.99, 'lowest pitch': 5.86, 'duration': 0.36, 'prosody hierarchy': '#2'}, {'character': '加', 'pinyin': 'jia1', 'highest pitch': 8.9, 'lowest pitch': 7.51, 'duration': 0.23, 'prosody hierarchy': 'null'}, {'character': '装', 'pinyin': 'zhuang1', 'highest pitch': 9.05, 'lowest pitch': 7.51, 'duration': 0.26, 'prosody hierarchy': '#2'}, {'character': '保', 'pinyin': 'bao3', 'highest pitch': 8.89, 'lowest pitch': 5.41, 'duration': 0.17, 'prosody hierarchy': 'null'}, {'character': '温', 'pinyin': 'uen1', 'highest pitch': 10.3, 'lowest pitch': 5.51, 'duration': 0.19, 'prosody hierarchy': '#1'}, {'character': '材', 'pinyin': 'cai2', 'highest pitch': 10.29, 'lowest pitch': 5.74, 'duration': 0.24, 'prosody hierarchy': 'null'}, {'character': '料', 'pinyin': 'liao4', 'highest pitch': 9.59, 'lowest pitch': 5.94, 'duration': 0.28, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.26}, {'character': '俗', 'pinyin': 'su2', 'highest pitch': 7.7, 'lowest pitch': 7.07, 'duration': 0.23, 'prosody hierarchy': 'null'}, {'character': '称', 'pinyin': 'cheng1', 'highest pitch': 8.86, 'lowest pitch': 7.07, 'duration': 0.3, 'prosody hierarchy': '#2'}, {'character': '给', 'pinyin': 'gei3', 'highest pitch': 8.66, 'lowest pitch': 5.75, 'duration': 0.21, 'prosody hierarchy': '#1'}, {'character': '建', 'pinyin': 'jian4', 'highest pitch': 11.03, 'lowest pitch': 5.85, 'duration': 0.27, 'prosody hierarchy': 'null'}, {'character': '筑', 'pinyin': 'zhu4', 'highest pitch': 10.17, 'lowest pitch': 6.34, 'duration': 0.18, 'prosody hierarchy': '#2'}, {'character': '穿', 'pinyin': 'chuan1', 'highest pitch': 10.38, 'lowest pitch': 6.72, 'duration': 0.24, 'prosody hierarchy': '#1'}, {'character': '棉', 'pinyin': 'mian2', 'highest pitch': 10.03, 'lowest pitch': 6.04, 'duration': 0.23, 'prosody hierarchy': 'null'}, {'character': '袄', 'pinyin': 'ao3', 'highest pitch': 10.03, 'lowest pitch': 4.49, 'duration': 0.37, 'prosody hierarchy': '#4'}]