At the same time, Goshen students start nine weeks of work on the college's farm.

VOA: special.2009.04.14

The circulatory system which we'll talk about in a couple of weeks, the heart, the blood vessels, and the blood work together to form a totally internal function.

例如过几周我们要讲的循环系统,心脏,血管,血液,三者协同工作,形成一个完全在体内发挥作用的体系

耶鲁公开课 - 生物医学工程探索课程节选

and so that's definitely part-time you can work whatever weeks you want.

当然是兼职的，你哪个星期想干就干。

在研究所工作 - SpeakingMax英语口语达人

To create this work, Church had traveled for nine weeks in Ecuador making drawings.

VOA: special.2009.05.01