Definition: a girl or woman who has the same parents as another person Level: A1
我的姐姐和我！
My ___sister and I!
我有一个哥哥/弟弟，还有一个小妹妹。
I have a brother and a baby ___sister.
我妹妹比我小两岁。
My ___sister is two years younger than me.
