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  • “ejecta”简单造句,ejecta造句子
    发表于:2018-11-11
    Theexpandingejectadriveanoutward-movingshockwavethatracesaheadoftheejectaintotheinterstellargas(brightouterrim).Butthenearlysix-milehighejectablanketthatbreakslunaraltitu...