n. the cup-shaped hollow in the hipbone into which the head of the femur fits to form a ball-and-socket joint
常见例句
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Same as Acetabulum.
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n the ball-and-socket joint between the head of the femur and the acetabulum
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the ball-and-socket joint between the head of the femur and the acetabulum n
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n either side of the body below the waist and above the thigh n the structure of the vertebrate skeleton supporting the lower limbs in humans and the hind limbs or corresponding parts in other vertebrates n the ball-and-socket joint between the head of the femur and the acetabulum n (architecture) the exterior angle formed by the junction of a sloping side and a sloping end of a roof n the fruit of a rose plant
