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。