ball-and-socket joint

ball-and-socket joint

美 　英

• n.球窝关节；杵臼关节
• 网络球窝接头；球状关节；球接头

词形变化

复数：ball-and-socket joints  

英汉双解

英汉解释

un.	1. 球窝接头 2. 球窝关节

英英解释

n.	1. a joint in your body where the end of a bone that is curved outward meets the end of a bone that is curved inward and they move together

例句

Cast ball-and-socket joint is used as the column support, while circular hollow section welded joint is used at the top of the tube.

北京奥运会老山自行车馆的屋顶采用了双层球面网壳结构，柱脚及柱顶分别采用了铸钢球铰支座和圆钢管相贯节点。

Ball and socket joint at shoulder allows movement in 3 planes.

球窝关节―在肩膊容许三平面的运动。