They have also found pieces of spear points left about ten thousand years ago.

VOA: special.2009.12.07

So, let's see how some of this works, and hopefully your counterparts from 100 years ago would also be able to think about how this works, even if they don't have the quantum mechanics behind the individual electron configurations for atoms.

那么，下面让我们来看一下它是怎么用的，希望一百年前想你们一样的同学,也能够弄懂它为什么能用，尽管他们没有量子力学,不知道原子的电子排布。

麻省理工公开课 - 化学原理课程节选

The same results also showed up about a year and a half ago.

一年半前也得到同样的结果。

耶鲁公开课 - 心理学导论课程节选

Gunderson also plays bass. The men met in Nashville about three years ago.

VOA: special.2009.09.11

Big recessions have ended in November 1982, just a little more than 25 years ago, and since then the policy of getting inflation down And it's also not just the United States.

较严重的在1982年11月已触底回升，也就是25年前不久，从那开始，政策就一直维持了低通胀,不仅仅是美国。

斯坦福公开课 - 经济学课程节选

Two years ago,however, they were also found in warm ocean waters near Ecuador.

VOA: special.2009.08.25

The isolated country is also under pressure because of United Nations sanctions imposed after Pyongyang conducted a nuclear test a year ago.

VOA: standard.2010.05.03

A year ago around 90 percent did. Also,more women receive care before giving birth than ever before, and more midwives are present at births.

VOA: standard.2009.11.10

Also a nearby volcano erupted four years ago,ripping open a crack in the Great Rift Valley.

VOA: standard.2009.12.14

Dr.Welch stopped smoking more than a decade ago, and he persuaded his son to quit also.

VOA: standard.2010.06.21

Israel's Deputy Foreign Minister Danny Ayalon says peace talks could have resumed long ago, if it were not for the refusal of President Abbas, who is also known as Abu Mazen.

VOA: standard.2009.09.19

And in my repertoire I do 'I've Grown Accustomed to His Face to her version. Personal friends such as Marjorie Andrews, who was introduced to Horne thirty years ago through family relations, were also in attendance.

VOA: standard.2010.05.15