ball and socket短语¹¹⁴⁴⁶⁷⁺⁴ 基本Thesaurus adj.球窝式的 as in.hinge 同义词articulation,axis,butt,elbow,hook,joint,juncture,knee,link,pin,spring,swivel hingenoun pivot, turning point articulation,axis,ball-and-socket,butt,elbow,hook,joint,juncture,knee,link,pin,spring,swivel