umbilicus [ʌm'bɪlɪkəs]

例句:

• Occasionally, lymph nodes can be found in the vicinity of the umbilicus.
  偶而, 脐周淋巴结可触及.
  
• The uterus was palpable 2 finger - breadths below the umbilicus.
  子宫可以在脐下2指宽处触知.
  
• Large intestines popping out of the umbilicus in Chihuahuas are uncommon.
  大肠济华花的脐出去一下是不寻常的.
  
• Kubrik's astronaut with the severed umbilicus -spinning away all alone into infinity .
  来自WSJ