单词	ore dressing
释义	ore dressing noun : mechanical preparation (as by crushing) and concentration (as by flotation) of ore Word History First Known Use 1831, in the meaning defined above
随便看	lost to lost touch with reality lost wax lost-color process lost-wax process lostness lostnesses lot lot's law lota lotae lotah lotahs lotas lote lotebush lotebushes lotes lotest lotewood loth Lothair I Lothair II Lotharingian lothario

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