| 单词 | ball-and-socket joint |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔ball-and-socket joint〕The hip joint is a ball-and-socket joint.髋关节属于球窝关节。剑桥高阶〔hip joint〕The ball-and-socket joint formed by the head of the femur and the cup-shaped cavity of the hipbone.髋关节：珠窝式关关，由股骨的顶端和髋骨的杯型空腔构成美国传统The hip joint is a ball-and-socket joint.股关节是一种杵臼关节。剑桥国际 |
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