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词汇
星際物質
释义
星際物質
xīng jì wù zhí
恆星間密度極稀的物質。包括佔90%的氣體和10%的塵埃微粒，以及宇宙線和磁場。氣體主要由氫、氦組成。塵埃是直徑只有幾十萬分之一釐米的固態質點。平均密度爲1個粒子/立方厘米。既是形成恆星的材料，又是恆星演化的產物。
随便看
to spread religion
To spread rumour everywhere
to spread rumours
to spread rumours/lies about sb
to spread scandal
to spread seeds
To spread,smooth,form,or scoop with a trowel
To spread, smooth, form, or scoop with a trowel
To spread tales
to spread the rug out
To spread the rumor or report of
to spread the wealth
To spread through or penetrate something
to spread throughout the entire country
To spread with or as if with lather
to spring
to-spring
to spring across the creek
to spring a fence
to spring a surprise
to spring a trap
To spring back against suddenly
to spring for
to spring from
To spring from obscurity
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更新时间：2026/8/21 13:57:55