The labrum is a thin ring of cartilage that lines the acetabulum, or hip socket.

在髋臼周围的软骨中，上唇是薄弱环节。

youdao

The storeowner explained that the veterinarian had examined the little puppy and had discovered it didn't have a hip socket.

店王解释说兽医给它作过检查，发现它没有臀臼。

youdao

Other signs include pain radiating into the hip socket, or down the outside of the leg, or deep inside the belly over the anterior surface of the S-I joint.

其他特征还有，疼痛呈辐射状向大腿窝或腿部发散，或者越过骶髂关节向腹腔内部发散。

youdao

The artificial hip socket was sold for eight years to some 35, 000 people in the U.S. and more than 90, 000 people worldwide.

NPR: Trial Under Way In LA Hip Joint Replacement Suit

Think of the labrum as a ring of soft tissue that holds the ball of the femur, or thighbone, snugly in the hip joint's socket.

CNN: Gaga's injury related to 'being active'