English主要词典
ancestor
Universal Words
noun
1 a person in your family who lived a long time ago:
His ancestors had come to America from Ireland.
SYNFOREBEAR
2 an animal that lived in the past which a modern animal has developed from:
a reptile that was the common ancestor of lizards and turtles
3 an early form of a machine which later became more developed
SYNFORERUNNER:
The ancestor of the modern bicycle was called a penny-farthing.
compareDESCENDANT
ancestral adjective:
her ancestral home (= that had belonged to her ancestors and that she had inherited from them)