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	looey loof loof loofah looie look look triazine triazinyl triazo triazo triazo- triazole triazolic triazolyl trib tribade tribadic tribadism tribady tribal tribalism tribalist tribalistic tribally

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