ball-and-socket joint
短语[医] 球窝关节, 杵臼关节
词形变化
ball-and-socket joints
复数
别名
ball and socket joint
释义与例句
n.
-
1.
A joint in which one segment has a rounded end and the next segment has a bowl-shaped end, with the rounded end being fitted into the bowl shape, allowing the first segment to move around an indefinite number of axes which have one common center. Examples include the human shoulder joint and the balljoints of some automotive suspensions.