umbilicus
US /ʌmˈbɪl.ə.kəs/
UK /ʌmˈbɪl.ə.kəs/
名词
1.
脐
the small, round part in the middle of the belly that is left after the umbilical cord (= the long tube of flesh joining the baby to its mother) has been cut at birth:
示例:
•
Unlike other mammals, the human umbilicus is clearly visible.
在 Lingoland 学习这个单词