You should see your doctor every 2 weeks until 36 weeks, then once a week until you deliver the baby.

怀孕到36周前每隔两周要看一次医生，36周后开始必须每周都要去医生那儿检查一次，直到您分娩为止。

youdao

For a full refund, store policy is that you have to return merchandise 2 weeks from the time it was purchased.

店铺对于全额退款的规定是：您必须在购买商品后两周内退货。

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There're only 2 weeks of classes left in the semester and there are like 6 books on the syllabus that we haven't even touched.

这学期只剩下两周的课了，而课程纲要中还有六本书我们还没碰过。

youdao

He warned about the deepening recession in a speech in Virginia on Thursday, less than 2 weeks before he takes office.

VOA: special.2009.01.09

This was a huge number for me up until 2 weeks ago Besides the 100 billion neurons in the brain . there are 12-15 thousand cochlear hair cells.

直到两周前，这对我来说还是个庞大的数字,除了这一兆亿个神经元外,还有12，000到15，000个毛细胞。

斯坦福公开课 - 7个颠覆你思想的演讲课程节选

And then we fostered her for like a couple of weeks.

我们当时养了她差不多2周。

与流浪狗的相遇 - SpeakingMax英语口语达人