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单词	supercluster
释义	supercluster /ˈsuːpəklʌstə / noun Astronomy A cluster of galaxies which themselves occur as clusters.By the time the universe was half a million years old, matter had begun to coalesce into the blobs that later became galaxy clusters and superclusters; during its next half million years the universe grew by 50 percent.... It is no coincidence that superclusters of galaxies are roughly of this size; they result from this resounding cosmic fanfare. Many significant advances in astrophysics during the past sixty years, however, have involved our own Milky Way galaxy, as well as our local supercluster of galaxies and the structure of the universe as a whole.
随便看	local examination local exchange local exchange carrier local government Local Government Board Local Group local hero local historian local history plumage plumaged plumagery plumashe plumasite plumassier plumate plumb plumbagin plumbagine plumbaginous plumbago plumbane plumbata plumbate plumbator

英语词典包含243303条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。