a week

1. 星期日是一周的第一天。
   Sunday is the first day of the week.
2. 這一周天會晴的，我們去野餐吧。
   It will be set fair for one week. Let's have a picnic.
3. 余欠之數(shù)（500英鎊）將於一周內付清。
   The balance (of 500) will be paid within one week.
4. 以為我們用一周的時間就能把房子蓋好，這種想法是不切實際的。
   It was impracticable to think that we could build the house in one week.
5. 圣誕節(jié)前一周，孩子們到各家各戶去唱圣誕頌歌。
   The children went carolling during the week before Christmas.

一的英語翻譯：

周的英語翻譯：