Miller examined this difficult period in American history by setting his play at another difficult time.

VOA: special.2009.11.29

There's a reason why the first attempt to even write about international law comes at this period.

这也就是为什么在这个时期,会有人在历史上第一次尝试撰写国际法

耶鲁公开课 - 欧洲文明课程节选

At this time, somewhere in this period, there was a transfer of power in the Canaanite pantheon from the older gods to younger gods.

在那段时间的某个地方,迦南众神的权利由年老的神向年轻的神过渡。

耶鲁公开课 - 旧约导论课程节选

The exhibit at the Smithsonian American Art Museum shows paintings made during this period.

VOA: special.2009.03.23

Internet industry was in a very difficult time at that time, at that period, and we gradually realized that this company cannot really survive if we stick with the backend technology providers thing.

当时互联网行业正处于困境，如果坚持做后台搜索技术提供商,这个公司将无法生存。

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

At this point, it is a period of rains and people are able to fish."

VOA: standard.2009.08.08

It is also interesting to notice who does not colonize at this early period and the answer is all the most famous cities of Greece in the Classical Period.

另一个有意思的问题是,谁在早期并不殖民,答案是,古希腊时期的所有名城

耶鲁公开课 - 古希腊历史简介课程节选

Analyst Shepherd says Mr.Obama hopes to capitalize on that popularity during his European tour "At the end of the day,this is still very much Barack Obama's honeymoon period,".

VOA: standard.2009.03.29

If they're having a coronary artery bypass or they're having a heart transplant, then there's some period at which their normal heart - their heart is stopped and this machine assumes the functions of their heart.

病人在做冠状动脉搭桥手术,或者心脏移植手术时,病人自己的心脏,会停跳一段时间,而这台设备就能代替心脏工作

耶鲁公开课 - 生物医学工程探索课程节选

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

If you look at Greece in this period, I don't know if I've used this term before, but some scholars refer to this general period we're talking about as the Greek renaissance by analogy to the renaissance in Italy.

如果纵观这个时期的希腊,我不知道以前是否用过这个定义,但一些学者,用意大利文艺复兴来比喻这个时期,把它称作希腊的文艺复兴

耶鲁公开课 - 古希腊历史简介课程节选

Now the nice thing about this is that the degradation mechanisms seem to persist for some period of time, beyond the time at which you deliver the double stranded RNA; whereas, obviously, this mechanism here is only going to exist for as long as the anti-sense sequence is present.

而好消息是降解过程会持续一段时间,比你转入双链RNA的时间要长,但是,这种机制只会在,有反义链的时候发挥作用

耶鲁公开课 - 生物医学工程探索课程节选