It's much harder, they say, to dislocate a screw than a round-ball-and-socket joint.
这种螺纹状的关节与球状关节相比，更难发生脱臼的情况。
Ask you to let him survive, just kill me ball and socket can be it.
请你们让他活下来，只杀我杵臼可以吧。
Ball and socket joint at shoulder allows movement in 3 planes.
球窝关节—在肩膊容许三平面的运动。
The normal hip is a tightly joined "ball and socket" joint (Figure 1).
正常的髋关节是一个紧密参加“球窝”联合(图1)。
The normal hip is a tightly joined "ball and socket" joint (Figure 1).
正常的髋关节是一个紧密参加“球窝”联合(图1)。
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