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	ponderosity ponderous ponderous borer ponderous spar ponderously ponderousness ponderousnesses ponders pondfish pondgrass pondicherry Pondicherry eagle Pondicherry vulture ponding pondlet pondman pondmen Pondo pondokkie pondokkies pondoks Pondoland pondos pondosa pine ponds

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