一周的英文：
one week

参考例句：

Saturday is the seventh day in a week.
星期六是一周的第七天。

The week's 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。

one是什么意思：
num. 一；同一个、最重要的一个
det. 代替a或an，表示强调；某位（用于不太熟悉之人的姓名之前）
pron. 任何人；一个人；一个事物；其中的一个人

One, Taipei, one way.
台北单程票一张。

This one is not a spoof.
这个就不是开玩笑了。

One and one make(s) two.
一加一等于二。

One must drink as one Brews
自作自受

The voice of one man is the voice of no one
一个人的声音是没有力量的

week是什么意思：
n. 周

The advertizement was run in the paper for a week.
这则广告在报上连续刊登了一个星期。

This week the spotlight is on the world of fashion.
本周引人注目的是时装界。

She has a help in twice a week.
她雇了一个女佣,一周来做两次。

Have a manicure once a week.
一星期修剪一次指甲。

There is to be a polo game next week.
下星期有一场水球比赛。