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

VOA: special.2009.10.26

Those levels would reach a plateau after some period of time, maybe after a couple of weeks and then they would begin to decline again.

在一段时间后,抗体浓度将达到峰值,峰值大约出现在几周之后,之后,抗体浓度将开始下降

耶鲁公开课 - 生物医学工程探索课程节选

Now as I say, I believe that when push comes to shove, we do need to get clear about both of those questions and so that's going to take the first several weeks of the class.

如果想深入了解这个话题,就必须弄清楚这两个问题,这就是头几周课的主要内容

耶鲁公开课 - 死亡课程节选

And with the harsh winter weather just weeks away, Bessler says his office is coordinating closely with Pakistani agencies to help those displaced.

VOA: standard.2009.10.17

We talked about two weeks ago, that if you had a population of cells, you could grow those population of cells and you could make, if they adapted the culture properly, you could make an infinite number of cells from one starting solution.

两周前我们讲到,如果你有一群细胞,你可以使细胞数量增长,如果培养得当,你可以,从开始的营养液中制造出无限数量的细胞

耶鲁公开课 - 生物医学工程探索课程节选

Those tests,we anticipate, will take approximately four to six additional weeks."

VOA: standard.2009.06.26

We're going to talk about those in more detail in a couple of weeks when we talk about the immune system because these are the cells that perform and regulate the functions of our immune system that protect us from disease.

在后几周的有关免疫的课程上,我们会详细说明的,因为我们免疫系统的功能,要依靠这些细胞去完成和调节,它们使我们免受疾病侵害

耶鲁公开课 - 生物医学工程探索课程节选

Iranian security forces are once again clamping down hard on an opposition demonstration in a Tehran cemetery called to honor those slain during weeks of unrest, following the June 12 election.

VOA: standard.2009.07.30

"Iraq has known many challenges. And in the past several weeks we have seen that there are still those who would kill innocent men, women and children to deny the Iraqi people the future they deserve.

VOA: standard.2009.11.08