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原標(biāo)題：97久久超碰中文字幕潮喷

　　B細(xì)??(xi)胞??(bao)作??(zuo)為??(wei)“抗??(kang)體??(ti)工??(gong)廠??(chang)”??，能??(neng)針??(zhen)對(duì)??(dui)不??(bu)同??(tong)病?(bing)原?(yuan)體??(ti)定??(ding)制??(zhi)特??(te)異??(yi)性??(xing)抗??(kang)體?(ti)??，通??(tong)過??(guo)中??(zhong)和??(he)病??(bing)毒??(du)或??(huo)標(biāo)??(biao)記??(ji)病?(bing)原??(yuan)體??(ti)協(xié)??(xie)助??(zhu)清??(qing)除??(chu)機(jī)??(ji)制??(zhi)；同??(tong)時(shí)??(shi)分??(fen)化??(hua)出??(chu)的?(de)記??(ji)憶??(yi)B細(xì)??(xi)胞??(bao)可?(ke)在??(zai)免??(mian)疫祝(yi)結(jié)??(jie)束?(shu)后?(hou)保??(bao)留??(liu)抗??(kang)體??(ti)“圖??(tu)譜??(pu)”??，實(shí)??(shi)現(xiàn)??(xian)快??(kuai)速??(su)二?(er)次??(ci)應(yīng)??(ying)答??(da)??。??　　免??(mian)疫??(yi)系??(xi)統(tǒng)??(tong)的??(de)核??(he)心??(xin)使??(shi)命??(ming)不?(bu)是??(shi)“消??(xiao)滅??(mie)一??(yi)切??(qie)”??，而??(er)是??(shi)識(shí)??(shi)別??(bie)敵??(di)我??(wo)、清??(qing)除??(chu)威??(wei)脅??(xie)??。?。