One day a week her mother cleaned and aired each room.

每周一天，她的母亲给每一个房间进行清扫并通风。

《柯林斯英汉双解大词典》

Hillary and I also began a serious counseling program, one day a week for about a year.

我和希拉里还开始参加了一个认真的婚姻咨询计划，每周一天，持续了约一年时间。

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The food goes to the center's volunteers and children in the neighborhood who work in the garden one day a week and learn to cook what they grow.

菜地结出的蔬菜送给该中心的志愿者和附近社区的儿童，孩子们每个星期在菜园子里干一天活，还要学习如何烹制他们自己种的蔬菜。

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"Civil Society plays a key role in helping to communicate the need for mothers to bring their children in early for vaccines to complete the vaccination series to make sure that non-governmental organizations deliver and offer vaccines not only one day a week necessarily but on a regular basis,".

VOA: standard.2009.12.28

There are coffee machines and there are lounge sofas and everything else. There are computers, there are printers, so it's a good lounge, and I think if you go there one day a week to do your problem sets, or more often, that's a good meeting place,I recommend that.

那里还有咖啡机和舒适的大沙发,以及一些其它设施,比如电脑,打印机,真的是个很好的休息室,如果你每周去那里,花一天时间完成你的作业,或者多去几次,确实是个好地方,我强力推荐

耶鲁公开课 - 基础物理课程节选

As her blog and research collection grew, Ebenstein created the Morbid Anatomy Library, a 300sqft space open to the public one day a week, and launched a related lecture and workshop series called Morbid Anatomy Presents in 2009.

BBC: New York City��s most morbid museum

Does he do Scotland one day a week and fill the rest of his time with roads, railways and the rest?

BBC: Confusion reigns over cabinet shake-up

Keep in mind that Bill will continue "working" for Microsoft one day a week and serve as the chairman of the board after his so-called retirement.

ENGADGET: Steve Ballmer retirement: 2018, if Bill doesn't get in the way