acetabulum

详细解释:n. 髋臼, 吸盘
【医】 髋臼; 腹吸盘

词型变化：

形容词:acetabular名词复数:acetabula

英语解释：

名词 acetabulum:

the cup-shaped hollow in the hipbone into which the head of the femur fits to form a ball-and-socket joint同义词：cotyloid cavity