单词	activated alumina
释义	activated alumina noun : a porous highly adsorptive alumina made usually by heating alumina hydrates and used chiefly in drying gases and liquids Word History First Known Use circa 1943, in the meaning defined above
随便看	spermaceti spermacetis spermaduct spermaducts spermagone spermagonia spermagonial spermagonium spermalist Spermaphyta spermaphyta spermaphyte spermaphytes spermaphytic spermaria spermaries spermarium spermary spermat- spermata spermatangia spermatangium spermateliosis spermatheca spermathecae

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