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	martial artist martial eagle martial law martialer martialest martialism martialisms martialist martialists martialize martialler martiallest martiallier martialliest martially martialness martian martianer martianest martianner martiannest martians martin Martin du Gard Martin Luther King Day

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