单词	protogalaxy
释义	protogalaxy noun pro·​to·​gal·​axy ˌprō-tō-ˈga-lək-sē  : a cloud of gas believed to be the precursor to a galaxy Word History First Known Use 1950, in the meaning defined above
随便看	collapse collapse breccia collapse in a heap collapse therapy collapse/fall in a heap collapsed collapses collapsibilities collapsibility collapsible collapsible corporation collapsing collapsion collar hugelier hugeliest hugely hugeness hugenesses hugeous hugeously huger hugest huggable hugged

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