If you look at the normal labs that are in many places, you have a lab on Thursday afternoons, and the labs are either two weeks ahead or two weeks behind the lecture material.

如果你了解其他地方,一般的实验室，比如在星期四下午有实验课，这些实验要么是讲座的两周前,要么是讲座的两周后,才进行。

麻省理工公开课 - 媒体、教育、市场课程节选

Two weeks after the Columbine massacre, Ludlow Colorado I got called before the U.S. Senate Commerce Committee to testify on the relationship of youth culture and violent entertainment.

科罗拉多可伦拜高中枪杀案，事发两周后,美国参议院商务委员会给我打电话,让我参加一场听证会,主题是青年文化和暴力性娱乐的关系。

麻省理工公开课 - 媒体、教育、市场课程节选

John Landy Six weeks later, John Landy, the Australian runner, runs the mile in 3 minutes 57.9 seconds.

六周后，澳大利亚跑手，一英里跑了三分57。9秒。

哈佛公开课 - 幸福课课程节选

He came back, and with him he brought the Uncertainty Principle.

三周后他回来了，和他一起的还有测不准原理。

麻省理工公开课 - 固态化学导论课程节选

Starting at the beginning of the third week of class that is not next week but the week after on each Monday I'm going to put up a brief question or set of questions, which you have to answer and your answers need to be sent to your teaching fellow.

本课程将于开学后三周开课,也就是自下下周开始,每周一上课,我会提出一系列问题,要同学们思考并回答,大家的答案要在周五前交给研究生助教

耶鲁公开课 - 心理学导论课程节选

Now Milton was born in 1608 and he wrote the Nativity Ode along with the Sixth Elegy, the Elegia Sexta, that we read for today in December of 1629, a couple of weeks presumably after he turned twenty-one.

弥尔顿出生于1608年,并于1629年12月写下《圣诞清晨歌》,《第六挽歌》和《Elegia，Sexta》,大概是他刚过21岁后两周。

耶鲁公开课 - 弥尔顿课程节选

And this is now a program that's web based, it's SMS based, it's voice based and it used to be Linux based as you'll see in a couple of weeks and it's just a program thatlet's you click where you are, click where you wanna go and voila, here are the next several shuttles that you can take.

这个程序现在是可以用网络访问的，可以用SMS的，可以用语音访问的,而且它曾经是Linux下的程序,你们几周后就会看到，它是这么一个程序,你可以点击确认你现在的位置,然后点你想要去的位置,然后程序会返回给你你能做的班车。

哈佛公开课 - 计算机科学课程节选