a period of seven days 星期,周 the course lasts sixteen weeks. 该课程持续16个星期。 he'd cut the grass a week ago. 他一个星期前割了草。 ■the period of seven days generally reckoned from and to midnight on Saturday night (两个星期六夜晚之间)七天的时间,周 she has an art class twice a week. 她每周听两次艺术课。 ■workdays as opposed to the weekend; the five days from Monday to Friday 工作日 I work during the week, so I can only get to this shop on Saturdays. 我工作日得上班,所以只有星期六才能来这个商店。 ■the time spent working in this period 一周工作时间 she works a 48-hour week. 她每周工作48个小时。 ■(informal, chiefly Brit.)used after the name of a day to indicate that something will happen seven days after that day (非正式,主英)(从某天算起)七天之后 the programme will be broadcast on Sunday week. 节目将在下周星期天播出。
常用词组 a week on ——
used to state that something is due to happen seven days after the specified day or date 某个日子七天之后 we'll be back a week on Friday. 我们一周之后的星期五返回。
week in, week out
every week without exception 一星期又一星期地
语源
Old English wice, of Germanic origin; related to Dutch week and German Woche, from a base probably meaning 'sequence, series'