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　　風(fēng)??(feng)媒??(mei)花??(hua)粉?(fen)指??(zhi)借??(jie)助??(zhu)風(fēng)??(feng)力?(li)傳??(chuan)播??(bo)授?(shou)粉??(fen)的??(de)花??(hua)粉??(fen)??，一??(yi)般??(ban)花??(hua)粉??(fen)粒??(li)小??(xiao)、質(zhì)??(zhi)輕??(qing)、量??(liang)多?(duo)??，如??(ru)柏??(bai)樹(shù)??(shu)、楊??(yang)樹(shù)??(shu)、柳??(liu)樹(shù)??(shu)、樺??(hua)樹(shù)??(shu)、梧??(wu)桐??(tong)等??(deng)；它??(ta)的??(de)特??(te)點(diǎn)??(dian)是??(shi)花??(hua)型??(xing)較??(jiao)小??(xiao)、色??(se)淺??(qian)、無(wú)??(wu)香??(xiang)味??(wei)??，數(shù)??(shu)量??(liang)多??(duo)??，花??(hua)粉??(fen)傳??(chuan)播??(bo)面??(mian)積??(ji)很?(hen)廣??(guang)、在?(zai)空??(kong)氣??(qi)中??(zhong)停??(ting)留??(liu)時(shí)??(shi)間??(jian)長(zhǎng)??(chang)??。??　　★ 適??(shi)量??(liang)運(yùn)??(yun)動(dòng)??(dong)可??(ke)以??(yi)提??(ti)高??(gao)機(jī)??(ji)體?(ti)免??(mian)疫??(yi)力??(li)??，但??(dan)最??(zui)好??(hao)選??(xuan)擇??(ze)清??(qing)晨??(chen)或??(huo)雨?(yu)后??(hou)室??(shi)外??(wai)花??(hua)粉??(fen)濃??(nong)度??(du)較??(jiao)低??(di)的??(de)時(shí)??(shi)間??(jian)段??(duan)進(jìn)??(jin)行??(xing)鍛??(duan)煉??(lian)??。??保?(bao)持??(chi)良??(liang)好??(hao)心??(xin)情??(qing)??。。