Week by week he grew a little stronger.

每过一星期他都更健壮一点儿。

《牛津词典》

What is the moving average by week?

按周计算的移动平均值是多少？

youdao

By week three you'll feel 100 percent better.

到了第三个星期，你100%觉得好多了。

youdao

Week by week, the little force grew.

VOA: special.2009.06.18

As I say, we'll start to get our discussion sections organized on Monday and they should be set, I hope, by the Wednesday lecture next week.

正如我所说，我们会在周一进行讨论,并且我希望，在下周三的课程之前，我们能够都准备好。

耶鲁公开课 - 现代诗歌课程节选

So today is about writing some programs and empowering you to write your own starting this coming week when Pset One goes out via the website tonight by 7:00 p.m.

今天我们将要写一些程序，并且让你们,在接下来的一周写你们自己的程序，今天晚上七点,习题集1会发布在网站上。

哈佛公开课 - 计算机科学课程节选

He then promised that Congress will get the war-funding bill to the President by week's end.

NPR: Democrats' New Iraq Funding Bill Drops Timeline

And day by day, week by week, year by year, we slowly make more and more progress.

WHITEHOUSE: Building a Clean Energy Economy

The Dow has gained 9.7% since June, gradually creeping higher week by week.

WSJ: Blue Chips Near a Five-Year High