There was a nine-month follow-up period to compare the effectiveness.

VOA: special.2010.03.02

So if we're talking about the third period, that starts with sodium and it goes all the way up to argon.

所以如果我们谈论第3个周期，它从钠开始,一直到氩。

麻省理工公开课 - 化学原理课程节选

Up until this period, the early 1650s, Milton was a devoted contributor to the ideal Puritan notion of this government, and it was really the height of his political idealism.

直到这一时期，17世纪50年代早期，弥尔顿还忠诚,的拥护这一清教徒政府的理想化理念，这是他的政治理想主义的顶峰。

耶鲁公开课 - 弥尔顿课程节选

Now there are so many,experts say up to twenty metric tons a day could be removed with nets ver a period of several years.

VOA: special.2009.12.15

We did that, we came up with very good Chinese search engine technology, and we signed up a lot of the Chinese portals in a very short period of time.

我们开发了,很好的中文搜索引擎技术，并在短期内，和许多门户网站公司,签了合约。

斯坦福公开课 - 百度CEO李彦宏演讲：全球最大搜索引擎的发展课程节选

One of Homer's best paintings from this period is called "Breezing Up."

VOA: special.2010.07.25

As youngsters come along, they need a period of adjustation while their control in the environment grows up.

如果是青少年，他们会需要一段适应期,以逐渐掌控所处的环境。

麻省理工公开课 - 媒体、教育、市场课程节选

Mexico was the first country to qualify for the scheme last week, when the IMF agreed to provide it with up to $47 billion in emergency credit for a one-year period.

VOA: standard.2009.04.22

In fact, he was knocked unconscious only for a short period and then he got up and his friends surrounded him and asked, "Are you okay?"

事实上，他只是短暂失去知觉,然后他起来了,他的朋友围过来问道，你还好吗“

耶鲁公开课 - 心理学导论课程节选

That has moved around a lot, but it got almost up to 60% in the post World War II period and now it's down to less than a third.

计算所得的百分率变动很大,二战后,它一度达到将近60%,现在又降到不到三分之一

耶鲁公开课 - 金融市场课程节选

Again, this probably should be cleaned up and in a couple of weeks we'll spend a day or half period trying, to clean it up and make it somewhat more precise.

以上内容还有待梳理,未来两周我们将会花上一天半左右的时间,试着梳理这些内容,使其更加精确

耶鲁公开课 - 死亡课程节选

So, what you have to imagine is sometime back, I would argue, in the Mycenaean Period, somebody began making up one of these songs, telling the story of Greeks going to attack the city of Troy.

所以,你们想象一下在过去的某时,我当然是说在迈锡尼文明时期,有人开始创作这些诗歌中的某一首,它描述了希腊人攻打特洛伊的故事

耶鲁公开课 - 古希腊历史简介课程节选

Wouldn't a later writer have cleaned up this ancestral record if this were in fact something composed at a later period? Also, he notes that the representation of inter-ethnic relationships in the patriarchal stories does not accord with the reality of a later period.

后世的作者难道不会把祖先不光彩的记录抹去吗,如果事实上这故事是后来创作的话？同时，他还提出，宗族故事中所展示的种族间关系,与后世的现实是不相一致的。

耶鲁公开课 - 旧约导论课程节选