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单词	ball-and-socket joint
释义	ball-and-socket joint noun : a joint in which a ball moves within a socket so as to admit of rotary motion in every direction within certain limits (as the hip joint) — called also ball joint
随便看	king penguin kingpin king plank king post king-post truss king quail king rail alliaceae alliaceous alliance alliance alliance ring alliaria allice allice allice shad alliciency allicin allied allies alligation alligator alligator alligator apple alligator bonnet

英语词典包含332784条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。