轩车虽已矣,终媿食官仓。丹成作蛇乘白雾,千年重化玉井土。Ben Crump says the only known white Memphis police officer relieved of duty in Tyre Nichols' death pulled him from car and hit him with a Taser — yet had his identity protected,老年人现在打疫苗晚不晚?受基础病影响的能不能打?独居老人是否有必要接种?【科学防疫小贴士】。