戴口罩,勤洗手

{!-- PGC_VIDEO:{"thumb_height": 288, "vposter": "http://p0.pstatp.com/origin/tos-cn-i-0022/af9f082e9bb64e80befb01664450adb7", "thumb_width": 512, "vid": "v02016750000bp8c0puue3mq1a9o4fc0", "vu": "v02016750000bp8c0puue3mq1a9o4fc0", "duration": 90.11, "thumb_url": "tos-cn-i-0022/af9f082e9bb64e80befb01664450adb7", "thumb_uri": "tos-cn-i-0022/af9f082e9bb64e80befb01664450adb7", "video_size": {"high": {"duration": 90.11, "h": 288, "w": 512}, "ultra": {"duration": 90.11, "h": 288, "w": 512}, "normal": {"duration": 90.11, "h": 288, "w": 512}}} --}