I knew that he had been lying awake ever since the first noise, when he had turned in the bed.

VOA: special.2009.05.16

And we're actually going to get a little bit deeper in our clicker questions here, since when you do your problem-set it won't be quite this straight forward that you'll be answering this kind of question, but actually you'll be thinking about how many different orbitals can have certain state functions or certain orbital names.

事实上我们要讲的,比这个问题还要深一些，因为当你们做习题集的时候,你们不会遇到这么明显的问题，而是要考虑有多少个轨道,有某种特定的态函数,或者特定的轨道名字。

麻省理工公开课 - 化学原理课程节选

Flanders, since when do you like anything cool?

弗兰德，你什么时候也开始赶时髦了？

耶鲁公开课 - 公正课程节选

Since then officials have been reported working on final guidelines for when schools should close.

VOA: special.2009.08.05

So ever since then and when I came back to Princeton, then we formed a center to study those problems.

所以从那以后，在我回到普林斯顿大学时，我们组成了一个中心研习这些问题。

普林斯顿公开课 - 人性课程节选

All this happened since January, when President Obama took office.

VOA: special.2009.08.08

They live much longer lives and they live to die of something else and the leading causes of death currently haven't changed very much since 1997 when this data was published: they die of heart disease and cancer primarily.

人们活的更久了,不过会死于另一些疾病,如今导致死亡的主要原因,并没有太大的变化,自一九九七年有相关数据公开开始,其显示人们主要死于心脏病和癌症

耶鲁公开课 - 生物医学工程探索课程节选

Rocket attacks have been rare since the Lebanon War three years ago, when Israel fought the Lebanese guerrilla group Hezbollah.

VOA: standard.2009.09.11

And runners proved the doctors and scientists-- proved that they were right and ran the mile in two seconds and 4 minutes, one second, but no runner could run the mile in under 4 minutes, ever since the mile was actually timed-- when they started to time runs.

跑手们证明了医生和科学家…,证明了他们是对的,一英里跑四分钟两秒，四分钟一秒，但没有跑手能少于四分钟，从一英里跑计时以来-,当人们开始计时跑时。

哈佛公开课 - 幸福课课程节选

This recent incursion is the first of its kind since 2008, when hundreds of soldiers entered Iraq to attack PKK bases.

VOA: standard.2010.06.17

The trouble is, you just don't know when that explosion took place, and since there are several periods in this general area that we're talking about now, in which something big happened, some great change takes place, it turns out different people want to have their explosion at different times.

问题是,你不了解火山爆发的,确切时间以及这种爆发,在这个区域又延续了很多个时期,这些时期发生了许多重大事件和重大变化,结果就是不同人对,火山爆发的时间推测各不相同

耶鲁公开课 - 古希腊历史简介课程节选

"We are prepared to go to Nigeria. We have been talking about Nigeria since two years ago when I came over here,"

VOA: standard.2009.10.22

The attacks resembled other bombings since the middle of last year, when U.S.troops withdrew from Iraqi cities.

VOA: standard.2010.04.04

But the group has been largely inactive since 2005, when Mr.Abbas was elected on a platform of reaching a negotiated peace with Israel.

VOA: standard.2009.12.26

Mexico's drug violence has killed nearly 25,000 people since 2006, when Mexico's president launched an anti-drug offensive.

VOA: standard.2010.07.20

"When (Since) you called me last time, we knew that our daughter stopped her hunger strike.

VOA: standard.2009.05.06

It was the most serious clash on the border since the Lebanon War four years ago, when Israel battled the Islamic guerrilla group Hezbollah.

VOA: standard.2010.08.03

Kucinich says science has evolved since the 1920s when primates were first used for experimentation.

VOA: standard.2010.02.16

No other act had topped both charts since 1983, when Kenny Rogers and Dolly Parton achieved that feat with their duet, "Islands In The Stream."

VOA: standard.2010.04.30

The country has been plagued by unrest since 1992, when parliamentary elections were canceled as it appeared a coalition of Islamist groups might take power.

VOA: standard.2009.04.10

Cyprus has been divided since 1974, when Turkish troops invaded the island in response to a coup in Nicosia by supporters of a union with Greece.

VOA: standard.2009.09.05

"We have been reiterating since May 2004,when we won the bid, as South Africa we are confident the 2010 FIFA World Cup will be safe and secure."

VOA: standard.2010.06.02

Later this week, Mr.Obama will be able to point to another legislative accomplishment when he signs sweeping financial-system regulatory reform legislation he has battled for since coming to office.

VOA: standard.2010.07.19

Since 1918. That's when Carlisle found medying of Spanish influenza.

VOA: standard.other

The counterterrorism operation in Chechnya was instituted in 1999, when Russia sent troops for the second time since the collapse of the Soviet Union to put down a local separatist movement.

VOA: standard.2009.04.16

How that wood is grown and whether it was harvested legally have become crucial questions since 2008, when the U.S.Congress amended a century-old piece of environmental law known as the Lacey Act.

VOA: standard.2010.05.28

Last week,Israel won praise from U.S.President Barack Obama when it said it has not approved any new housing projects in the West Bank since Prime Minister Benjamin Netanyahu took office five months ago.

VOA: standard.2009.08.23

Experts say production has dropped about a third since he came to office, robbing the country of the full financial benefit that could have accrued in 2008, when global oil prices peaked around $140 a barrel.

VOA: standard.2010.08.06

In fact,U.S.and NATO military commanders say insurgent violence rose nearly 60 percent between the first six months of this year, compared to last year the highest level of violence since 2001 when the Taliban government was ousted by US.led forces.

VOA: standard.2009.06.15

"There's been a nice recovery since the horrible 2008,2009 drop but we're still below where we were when the crisis began and all through that you had record output of jetliners, so we've got this rather dangerous overcapacity situation."

VOA: standard.2010.03.30