n.
the time when something begins (especially life)
"they divorced after the birth of the child"; "his election signaled the birth of a new age"
the event of being born
"they celebrated the birth of their first child"
同义词：nativitynascencynascence
the process of giving birth
同义词：parturitiongiving birthbirthing
the kinship relation of an offspring to the parents
同义词：parentage
