The seeds and pollen, or the lack of them, can show severe weather changes over thousands of years.

VOA: special.2010.04.07

There are hundreds,thousands of them known now, and each one has a specific character and one aspects of its character is that it only binds and cuts at a particular sequence of DNA.

已知的有成百上千种,每一种都有自己的特性,特性之一是,只结合和切割特定的某一种DNA序列

耶鲁公开课 - 生物医学工程探索课程节选

The risk tolerance curve for the tens of thousands of people that we needed to hire, you just couldn't quite get them.

由于风险承担曲线，我们需要雇佣数万名员工,但是却，雇不到。

斯坦福公开课 - 戴尔CEO-Michael.Dell谈创业和发展课程节选

But people still buy hundreds of thousands of copies of them each year.

VOA: special.2010.06.06

There are a lot of them about one thousand billion of them and each neuron can be connected to around thousands, perhaps tens of thousands, other neurons.

他们大量存在,大约有上千亿,每个神经元都和其周围上千个,甚至上万个神经元相连接

耶鲁公开课 - 心理学导论课程节选

Hundreds of thousands of people, many of them clad in his yellow campaign color, were in attendance.

VOA: standard.2010.06.30

The other pathway that I think is very promising is now to use stem cell generated cells in culture dishes to use them for high throughput drug screening now we can test thousands of different drugs without killing so many animals.

第二个目标的前景相当广阔,我们可以用干细胞,在培养皿中大量繁殖各种细胞,用于大剂量的药物试验,让你无需屠戮动物,就能进行各种药物试验。

斯坦福公开课 - 7个颠覆你思想的演讲课程节选

After Mr.Hu's speech, thousands of soldiers marched past many of them escorting military hardware.

VOA: standard.2009.10.01

it's not about numbers. It's about a plan and the execution of a plan to have tens-of-thousands of people removed from an areas by killing them, by putting them in camps,by rapes.

VOA: standard.2009.10.26

To make matter worse,according to Sosa, the government has fired thousands of technicians from the state-owned oil company,PDVSA and replaced them with workers whose primary qualification is their loyalty to President Chavez.

VOA: standard.2010.08.06

U.N.officials say the rebel Liberation Tigers of Tamil Eelam have ignored calls to release tens of thousands of civilians they are using as a "buffer" between them and the military in the combat zone.

VOA: standard.2009.05.11

And then women and children, deporting them into the deserts of Syria, massacring them along the way and ultimately killing thousands and thousands when they reached Dayr az Zawr, the end point in the Syrian desert."

VOA: standard.2010.03.18

"It is also important to remember that this is a cynical situation where the Tigers have herded a large number of people - thousands of people - into an enclave and used them as hostages to convince the international community to call for a cease-fire,"

VOA: standard.2009.03.17