单词：sub-elliptical
近似椭圆
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indefinite proficient tutor disposition mischief mortal priority perfect bridge ally version resent administer indoor peripheral induction outfit selection fury white skull elliptical
发表于:2018-12-01 / 阅读(286) / 评论(0)
用Mp3背六级单词
用Mp3背六级单词
A new galaxy is formed where, instead of the discs that the original galaxies have, where all the stars are going around more or less on a plane. Instead the stars are going every which way just like the elliptical galaxies that we see. And so we are
发表于:2019-01-22 / 阅读(214) / 评论(0)
自然百科2011年
自然百科2011年