单词	ultradense
释义	ultradense adjective ul·​tra·​dense ˌəl-trə-ˈden(t)s  : very compact or crowded : extremely or extraordinarily dense especially, chemistry : having an extremely high mass (see mass entry 2 sense 1c) per unit volume (see volume entry 1 sense 2) ultradense stars Word History First Known Use 1908, in the meaning defined above
随便看	smilers smiles smiles on smiles upon smilet smiley smiley face smileys smili smilier smiliest smiling smiling on smiling upon smilinglier smilingliest smilingly smilingness smilings smilo smilo grass Smilodon smilodons smiloes smilos

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