单词	rule joint
释义	rule joint noun : a knuckle joint having shoulders that abut when the connected pieces are opened out fully and thus permit folding in one direction only Word History First Known Use 1767, in the meaning defined above
随便看	Korku korkus korma kormas korn bo Kornberg kornelite kornerupine Korngold Kornilov koro Koroa koroas Korolenko koromika koromiko korona koronas Koror Koroseal korrigan korrigum kors Kortrijk korun

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