爸爸妹妹妈妈的英文是：Father，sister，mother.
Father：n. 父亲; 爸爸; 祖先; 创始人; 奠基者; 先驱; 鼻祖;
sister：n.姐;妹;(称志同道合者)姐妹;护士长；
mother：n.母亲;妈妈;对女修道院院长的尊称；
The children are completely out of control since their father left.
这些孩子自他们的'父亲离开后就无法无天了。
My father's death had a profound effect on us all.
父亲的去世深深地影响了我们全家。
My best friend has been like a sister to me.
我最要好的一个朋友待我亲如姐妹。
Is your sister older or younger than you?
你的姐妹比你大还是小？
Did you get a present for your mother?
给你母亲买礼物了吗？
She's a mother and company director in one.
她既是母亲又是公司董事。
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