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

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