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學(xué)習(xí)快評(píng)丨qibao666888　　最??(zui)后??(hou)是??(shi)維??(wei)持??(chi)記??(ji)憶??(yi)??，比??(bi)如??(ru)通??(tong)過(guò)??(guo)疫??(yi)苗??(miao)或??(huo)自??(zi)然??(ran)感??(gan)染??(ran)形??(xing)成??(cheng)長(zhǎng)??(chang)期??(qi)保??(bao)護(hù)??(hu)??，例??(li)如??(ru)天?(tian)花??(hua)疫??(yi)苗??(miao)的?(de)終??(zhong)身??(shen)免??(mian)疫??(yi)效??(xiao)果??(guo)；再??(zai)如??(ru)調(diào)??(tiao)節(jié)??(jie)T細(xì)?(xi)胞?(bao)抑??(yi)制??(zhi)過(guò)??(guo)度??(du)反?(fan)應(yīng)??(ying)??，防??(fang)止秘(zhi)免??(mian)疫??(yi)系??(xi)統(tǒng)?(tong)“暴??(bao)走??(zou)”引??(yin)發(fā)??(fa)過(guò)??(guo)敏??(min)或??(huo)炎??(yan)癥??(zheng)風(fēng)??(feng)暴?(bao)??。??　　第??(di)一??(yi)道??(dao)防??(fang)御??(yu)是??(shi)物??(wu)理??(li)屏??(ping)障??(zhang)??，比??(bi)如??(ru)皮??(pi)膚??(fu)和??(he)黏?(nian)膜?(mo)??，像??(xiang)城??(cheng)墻??(qiang)一??(yi)樣??(yang)覆??(fu)蓋?(gai)體?(ti)表??(biao)??，通??(tong)過(guò)??(guo)汗?(han)液??(ye)、皮?(pi)脂??(zhi)和??(he)黏??(nian)液??(ye)中??(zhong)的??(de)抗??(kang)菌??(jun)成??(cheng)分??(fen)??，直??(zhi)接??(jie)阻??(zu)擋??(dang)細(xì)??(xi)菌??(jun)、病??(bing)毒??(du)入??(ru)侵??(qin)；比??(bi)如??(ru)呼??(hu)吸??(xi)道??(dao)纖??(xian)毛??(mao)??，如??(ru)同??(tong)護(hù)??(hu)城??(cheng)河??(he)的?(de)“清??(qing)道??(dao)夫??(fu)”??，通??(tong)過(guò)?(guo)擺?(bai)動(dòng)??(dong)??，將??(jiang)灰??(hui)塵??(chen)和??(he)病??(bing)原??(yuan)體?(ti)排??(pai)出??(chu)體??(ti)外??(wai)?。??。