pelvises

例句:

• This assertion implies that bigger brains and roomier pelvises were linked from an evolutionary perspective.
  于是最近几年科学家一直在测试从这个主张衍生出的重要假说.
  
• So apparently heel bones, pelvises opposable toes, etc.
  来自SA
• Even those who are strapped in may bleed internally from broken arms and elbows, fractured spines and pelvises.
  来自WSJ
• The ball is populated by prissy-footed fashionistas and gossipy snobs with snapping fingers and thrusting pelvises.
  来自THETIMES