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	show one's mettle show one's stuff show one's true colors show oneself show out show pipe show promise show ring show round show runner show runners show signs of show someone show someone a trick or two show someone around show someone in show someone out show someone round show someone the door show someone to the door show someone who's boss show stone show the door show to the door show trial

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