我侄女喜欢游泳。

My niece likes swimming.

youdao

她不是我妹妹，而是我侄女。

She is not my sister but my niece.

youdao

我表哥的女儿是我侄女。

My cousin's daughter is my nephew.

youdao

And I want my children and my nieces and my nephews and my students to be American and to be proud of it.

我想让我的孩子，我的侄女,侄子还有学生,做自豪的美国人。

普林斯顿公开课 - 国际座谈会课程节选

I've taken my niece and nephew there in the snow,

我曾经在下雪的时侯，带着侄子和侄女到那里玩儿。

河滨公园 - SpeakingMax英语口语达人

My niece drew a picture of my family once when she was three.

我侄女三岁时画了张全家福

耶鲁公开课 - 死亡课程节选