疫情期间，我们需要采取一些预防措施。
易感人群要尽量减少外出。[{'character': '易', 'pinyin': 'i4', 'highest pitch': 11.41, 'lowest pitch': 10.16, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '感', 'pinyin': 'gan3', 'highest pitch': 9.28, 'lowest pitch': 6.06, 'duration': 0.2, 'prosody hierarchy': '#1'}, {'character': '人', 'pinyin': 'ren2', 'highest pitch': 8.61, 'lowest pitch': 5.99, 'duration': 0.21, 'prosody hierarchy': 'null'}, {'character': '群', 'pinyin': 'qvn2', 'highest pitch': 8.61, 'lowest pitch': 6.07, 'duration': 0.35, 'prosody hierarchy': '#2'}, {'character': '要', 'pinyin': 'iao4', 'highest pitch': 8.9, 'lowest pitch': 7.68, 'duration': 0.26, 'prosody hierarchy': '#1'}, {'character': '尽', 'pinyin': 'jin3', 'highest pitch': 7.2, 'lowest pitch': 5.26, 'duration': 0.19, 'prosody hierarchy': 'null'}, {'character': '量', 'pinyin': 'liang4', 'highest pitch': 8.3, 'lowest pitch': 5.49, 'duration': 0.23, 'prosody hierarchy': '#1'}, {'character': '减', 'pinyin': 'jian2', 'highest pitch': 9.47, 'lowest pitch': 6.9, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '少', 'pinyin': 'shao3', 'highest pitch': 10.27, 'lowest pitch': 5.54, 'duration': 0.2, 'prosody hierarchy': '#1'}, {'character': '外', 'pinyin': 'uai4', 'highest pitch': 8.75, 'lowest pitch': 5.93, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '出', 'pinyin': 'chu1', 'highest pitch': 9.53, 'lowest pitch': 6.92, 'duration': 0.34, 'prosody hierarchy': '#4'}]