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原標(biāo)題：校花自慰被看到沦为性奴

學(xué)習(xí)快評(píng)丨qibao666888　　土??(tu)星??(xing)環(huán)?(huan)這??(zhe)個(gè)??(ge)“大??(da)圓??(yuan)環(huán)??(huan)”的??(de)直?(zhi)徑??(jing)大??(da)約?(yue)是??(shi)28萬(wàn)??(wan)公??(gong)里??(li)??，相??(xiang)當(dāng)??(dang)于??(yu)地??(di)月??(yue)距??(ju)離??(li)的??(de)三?(san)分??(fen)之??(zhi)二??(er)??，但??(dan)是??(shi)土??(tu)星?(xing)環(huán)?(huan)的??(de)平??(ping)均??(jun)垂??(chui)直?(zhi)厚??(hou)度??(du)卻??(que)只??(zhi)有??(you)10米??(mi)左??(zuo)右??(you)??。??所??(suo)以??(yi)說(shuō)??(shuo)??，土??(tu)星??(xing)的?(de)光??(guang)環(huán)??(huan)“薄??(bo)如??(ru)蟬??(chan)翼??(yi)”??，那??(na)它??(ta)是?(shi)由?(you)什??(shen)么??(me)組??(zu)成?(cheng)的??(de)呢??(ne)？??　　北?(bei)京??(jing)天??(tian)文??(wen)館??(guan)的??(de)科??(ke)普??(pu)專(zhuān)??(zhuan)家??(jia)介??(jie)紹??(shao)??，看??(kan)上??(shang)去??(qu)美??(mei)麗??(li)的?(de)土??(tu)星??(xing)光??(guang)環(huán)??(huan)??，實(shí)??(shi)際??(ji)上??(shang)是??(shi)由??(you)無(wú)?(wu)數(shù)??(shu)水??(shui)冰??(bing)顆??(ke)粒??(li)、巖祝(yan)石?(shi)碎??(sui)片??(pian)和?(he)塵??(chen)埃?(ai)構(gòu)??(gou)成??(cheng)??，規(guī)??(gui)模??(mo)超??(chao)級(jí)??(ji)龐??(pang)大?(da)??，但?(dan)是??(shi)厚?(hou)度??(du)有??(you)的??(de)地??(di)方??(fang)是??(shi)摩?(mo)天??(tian)大??(da)樓??(lou)??，有??(you)的?(de)地??(di)方??(fang)卻??(que)只??(zhi)有??(you)平??(ping)房??(fang)那??(na)么??(me)高??(gao)??，平??(ping)均??(jun)下??(xia)來(lái)??(lai)也??(ye)就??(jiu)十??(shi)多?(duo)米??(mi)??。??。