n.父亲(或母亲),先辈,根源,起源,保护者
Parent birds began to hunt for food for their young.
亲鸟开始为幼鸟寻找食物。
Ninety per cent of lone parent families are headed by mothers.
90%的单亲家庭由母亲持家。
Many children are now born into or raised in one-parent families.
现在很多孩子在单亲家庭中出生或成长。