1、一周的英文：one week

2、参考例句：

Saturday is the seventh day in a week.?

星期六是一周的第七天。

The weeks washing.

一周洗的衣服

They attend school five days a week.

他们一周上学5天。

Hold a week-long broadcast exhibition of TV plays

举办为期一周的电视剧展播

He quitted Paris after a week.

他一周后离开了巴黎。

A unit of frequency equal to one cycle per second

赫兹频率的单位，等于每秒一周

I was twenty-one on my last birthday

我已经过二十一周岁了。

The pleasures of sunbathing began to pall after a week on the beach

我们在沙滩待了一周之后,对日光浴已兴致大减

Reviewer was dismissive,and the play closed within a week.

由於评论界持否定态度，该剧上演不到一周便停止了

He visits his grandpapa every two weeks.

他每隔一周就去探望他祖父一次。