Noun:
a scar where the umbilical cord was attached;you were not supposed to show your navel on television
they argued whether or not Adam had a navel
she had a tattoo just above her bellybutton
omphal-us…的⇒脐近义词 navel肚脐omphalos脐umbilicus生脐bellybutton肚脐belly button肚脐