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	gooeyduck gooeyness gooeynesses goof goof (around) goof (off) goof (up) goof around goof off goof on goof up goof-off goof-offs goofa goofah goofball goofballs goofed goofed (around) goofed (off) goofed (up) goofed around goofed off goofed on goofed up

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