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	geosyncline geosynclines geotactic geotag geotagged geotagging geotags geotaxes geotaxis geotechnic geotechnical geotechnical engineering geotechnics geotechnology leftwardest leftwards lefty leg leg (it) leg art leg bail leg band leg before wicket leg boot leg bye

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