Oil has been flowing from its damaged well in the Gulf of Mexico for almost seven weeks.

VOA: special.2010.06.04

So I've only been taking Chinese for, like, seven weeks,

所以，到目前为止，我也仅学习了七个星期的汉语，

汉语学习课程很难 - SpeakingMax英语口语达人

Premature or preterm births are defined as births at less than thirty-seven weeks.

VOA: special.2009.10.19

She wrote the book in seven weeks while she was traveling in Haiti.

VOA: special.2009.02.22

"Those are the babies who are born between thirty-four and thirty-seven weeks gestation.

VOA: special.2009.10.26

But there is a lot of uncertainty, and of course that is manifest in the share price which has lost about 40 percent of its value over the course of the past six or seven weeks."

VOA: standard.2010.06.18

After seven to eight weeks of more sleep, the players ran faster in short training races.

VOA: special.2010.06.09

"I farmed most of my life," "and I can point to any number of weeks when I saw more than a seven percent swing in my costs.

VOA: standard.2009.12.12

While France's famous 35-hour work week is no longer compulsory, many French workers still enjoy what amounts to a seven-hour day, and many have weeks of paid vacations each year.

VOA: standard.2010.04.11