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原標(biāo)題：欧美人与动欧交视频

　　總??(zong)的?(de)來??(lai)說?(shuo)??，先??(xian)天??(tian)性??(xing)免??(mian)疫??(yi)的??(de)特??(te)點(diǎn)??(dian)是??(shi)反?(fan)應(yīng)??(ying)快??(kuai)、無??(wu)差??(cha)別??(bie)攻??(gong)擊??(ji)??，但??(dan)缺?(que)乏??(fa)“記??(ji)憶??(yi)功??(gong)能??(neng)”??，無??(wu)法??(fa)針?(zhen)對(duì)??(dui)特??(te)定?(ding)敵??(di)人??(ren)提??(ti)升??(sheng)戰(zhàn)??(zhan)斗??(dou)力??(li)??。??　　這??(zhe)一??(yi)階??(jie)段??(duan)的??(de)維??(wei)護(hù)??(hu)重??(zhong)點(diǎn)??(dian)包??(bao)括??(kuo)：母??(mu)乳??(ru)喂??(wei)養(yǎng)??(yang)??，至??(zhi)少??(shao)純??(chun)母??(mu)乳??(ru)喂??(wei)養(yǎng)??(yang)6個(gè)??(ge)月??(yue)??，提??(ti)供?(gong)抗?(kang)體??(ti)和??(he)益??(yi)生??(sheng)菌??(jun)??，降??(jiang)低?(di)感??(gan)染??(ran)風(fēng)??(feng)險(xiǎn)??(xian)；按??(an)時(shí)??(shi)接??(jie)種??(zhong)百??(bai)白??(bai)破??(po)、脊??(ji)髓??(sui)灰??(hui)質(zhì)??(zhi)炎??(yan)等??(deng)基??(ji)礎(chǔ)??(chu)疫??(yi)苗??(miao)??，建??(jian)立??(li)免?(mian)疫??(yi)記?(ji)憶??(yi)；適??(shi)度??(du)“練??(lian)兵??(bing)”??，避??(bi)免??(mian)過??(guo)度??(du)消??(xiao)毒??(du)??，適??(shi)當(dāng)??(dang)接??(jie)觸??(chu)環(huán)??(huan)境??(jing)微??(wei)生??(sheng)物??(wu)(如?(ru)戶?(hu)外??(wai)活??(huo)動(dòng)??(dong))??，促??(cu)進(jìn)??(jin)免?(mian)疫??(yi)系??(xi)統(tǒng)??(tong)發(fā)??(fa)育??(yu)??。??。