Question

acetabulum
ac.e.tab.u.lum  AHD[²s”¹-t²b“y…-l…m]   DJ[7#s!6t#bj*l*m]  KK[7#s!6t#bj*l*m]
n.（名词）  【复数】ac.e.tab.u.la[-l…]  
1.Anatomy The cup-shaped cavity at the base of the hipbone into which the ball-shaped head of the femur fits.
  【解剖学】 髋臼：髋骨基部杯状的空腔，股骨头部置于其中
2.Zoology The cavity in the body of an insect into which the leg fits.
  【动物学】 腿节：置于昆虫身体腿部其中的空腔
3.Zoology A cup-shaped structure, such as the sucker of a tapeworm or leech.
  【动物学】 腹吸盘：杯状的结构，如绦虫和寄生虫的嘴
ORIGIN
1.Latin [vinegar cup]
    拉丁语 [醋杯]
2.fromac¶tum [vinegar] * see  acetum
    源自ac¶tum [醋] *参见acetum
DERIVATIVES
▪ac”etab“ular  AHD:  [-l…r] （形容词）