ball-and-socket joint
参考词典中ball-and-socket joint的常规释义：
基本释义
- n.(肩,膝等的)球状关节,杵臼关节
英英解释
2个名词解释
- a freely moving joint in which a sphere on the head of one bone fits into a rounded cavity in the other bone
[同] cotyloid joint, enarthrodial joint, enarthrosis, articulatio spheroidea, ball-and-socket joint, spheroid joint - a joint that can rotate within a socket
点击查看……- a freely moving joint in which a sphere on the head of one bone fits into a rounded cavity in the other bone
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