nephew和niece的区别

nephew，n.侄子;外甥;

例句

She has a nephew who is just ten years of age

她有一个才10岁的侄子。

niece，n.侄女;甥女;

例句

Mary left her most precious possession — a small bookcase — to her niece.

玛丽把她最珍视的财产——一个小书架，留给了她的侄女。