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　　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)??。??　　60歲??(sui)以??(yi)上?(shang)??，延??(yan)緩??(huan)衰??(shuai)退??(tui)??，守??(shou)護(hù)??(hu)免??(mian)疫??(yi)防??(fang)線??(xian)??。??RIDQOZMTPOqibao666888　　zong ??(zong)de ??(de)lai ?(lai)shuo ??(shuo)??，xian ??(xian)tian ??(tian)xing ??(xing)mian ?(mian)yi ??(yi)de ??(de)te ??(te)dian ??(dian)shi ??(shi)fan ?(fan)ying ??(ying)kuai ??(kuai)、wu ??(wu)cha ?(cha)bie ?(bie)gong ??(gong)ji ??(ji)??，dan ??(dan)que ??(que)fa ??(fa)“ji ??(ji)yi ?(yi)gong ??(gong)neng ??(neng)”??，wu ??(wu)fa ??(fa)zhen ??(zhen)dui ?(dui)te ??(te)ding ??(ding)di ??(di)ren ??(ren)ti ??(ti)sheng ??(sheng)zhan ?(zhan)dou ??(dou)li ??(li)??。??　　60sui ??(sui)yi ??(yi)shang ?(shang)??，yan ??(yan)huan ??(huan)shuai ??(shuai)tui ??(tui)??，shou ??(shou)hu ??(hu)mian ??(mian)yi ??(yi)fang ??(fang)xian ??(xian)??。??