i exercise once a week 我每周运动一次
about once a week ago 大约一周前一次
I go once a week 我一个星期去一次 ; 我每星期去一次
Once a week or two 一周一次或两次
But only once a week 但是一周只有一次
I washed once a week 我一星期洗一次
Swimming once a week 每周去游一次泳
See once a week 一个星期见一次面
Date once a week 每个星期
以上来源于: WordNet
Once a week, a maid changes the sheets.
女仆每个星期换一次床单。
We tend to meet up for lunch once a week.
我们往往会每周共进一次午餐。
The train operates the 2,400-mile round trip once a week.
这列火车每周进行一次2400英里的往返旅行。
Women who said they were physically active even once a week showed less cognitive impairment as measured by a test.
VOA: special.2010.07.07
In addition once a week, besides the regular intelligence briefing, which was organized by the intelligence community.
然后每个星期一次,除了定期的,由情报局组织的,情报简报会议。
and the last quarter is a seminar in which you only go once a week for three hours
最后一个季度是研讨会,每周只需要参加三个小时,
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