ball-and-sock·et joint
noun/ˌbɔːl ən ˈsɒkɪt dʒɔɪnt/
/ˌbɔːl ən ˈsɑːkɪt dʒɔɪnt/
(anatomy)- a joint such as the hip joint at the top of the leg, in which a piece of bone in the shape of a ball moves inside a curved hollow part

enlarge image球窝关节;杵臼关节
| 单词 | ball-and-socket-joint |
| 释义 | ball-and-sock·et jointnoun/ˌbɔːl ən ˈsɒkɪt dʒɔɪnt/ /ˌbɔːl ən ˈsɑːkɪt dʒɔɪnt/ (anatomy)
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