"I'm considering to buy my niece a Christmas present, either a dictionary or an encyclopedia."

"我在考虑给我侄女买诞礼物,不是词典就是百科全书。"

Her niece, an extremely voluble young woman,engages in soliloquies, not conversations.

她侄女是个极其善谈、说起话来滔滔不绝轻妇人，她总是在独白，而不是对话。

He adopts his niece as his heiress.

他指定他侄女为继承人。

My mother's nieces are my cousins.

我母亲侄女是我。