n.
a very young child (birth to 1 year) who has not yet begun to walk or talk
"isn't she too young to have a baby?"
同义词：babeinfant
(slang) sometimes used as a term of address for attractive young women
同义词：sister
a very young mammal
"baby rabbits"
the youngest member of a group (not necessarily young)
"the baby of the family"; "the baby of the Supreme Court"
an immature childish person
"stop being a baby!"
同义词：child
a project of personal concern to someone
"this project is his baby"
