"For example in Rwanda, where cell phone-based technologies are being used to keep track of dispensation of drugs to patients with H.I.V.

VOA: special.2010.05.03

Well, first it is important because it's-- you need to track what the population is eating and also individual intake.

说它重要首先是因为,你需要探寻人们都吃什么,还有个体摄入量

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Anything where you're actually keeping track of something like a score that's having a variable that you increment -- plus, plus, or decrement, minus, minus, using the appropriate puzzle piece could certainly be compelling.

你需要保存像分数这样的事物时,你就需要一个变量,它可以自加，++，或者自减,要使用正确的拼图。

哈佛公开课 - 计算机科学课程节选

In the late nineteen fifties he invented the eight-track recording method known as multi-track recording.

VOA: special.2009.09.27

In binary search-- ah, there's that wonderful phrase, this is called a version of binary search just like you saw bin-- or bi-section methods, - when we were doing numerical things- in binary search, I need to keep track of the starting point and the ending point of the list I'm looking at.

就是当我们处理数字的时候，所称的二分检索，在二分法搜索中,我需要记录区间的开始点和尾点，初始化的时候就是-,问题输入的开始点和尾点，当我开始做测试的时候,我想要做的就是去取中值点。

麻省理工公开课 - 计算机科学及编程导论课程节选

They also co-wrote many new holiday songs too, like the title track.

VOA: special.2009.12.25

So they kept track of country-by-country, when cases of smallpox occurred, and as it was eliminated from regions of the country, they then certified those regions to be smallpox free.

它跟踪调查了一个又一个国家,记录天花在这个国家中何时发生,又是何时清除的,并确证这个区域已经没有天花

耶鲁公开课 - 生物医学工程探索课程节选

He has spoken of the need for fast-track courts for such cases and a specific law for such mishaps.

VOA: standard.2010.06.10

It was like the off-track betting system.

这有点像场外下注。

斯坦福公开课 - 经济学课程节选

It's located near the Olympics venue for long track speed skating in Richmond, about a 30-minute drive south from downtown Vancouver.

VOA: standard.2010.02.23

So we're going to listen to a track out of John Kander's Chicago here, and the question that's at- in play at the moment is what's the meter of this cut from chicago?

我们先听一下约翰·肯德尔的作品芝加哥,中的一小段,边听边想一个问题,这个片段的节拍是怎样的,这个摘自芝加哥的片段

耶鲁公开课 - 聆听音乐课程节选

The 20-something athlete hurt his knee running track five years ago so he switched to disc golf, a lower impact game.

VOA: standard.2010.08.03

So let's listen to a track here, a sax solo and I am going to try to keep-- make some sense out of this-- because it gets more and more complex-- by following the electric bass underneath so let's listen to an old tape.

那么我们听一下这段音轨,一段萨克斯独奏,我会尽量从中,理出一些头绪,因为我们的音乐片段会越来越复杂,大家可以跟着底下电贝斯的节奏,好的,我们来一下老磁带

耶鲁公开课 - 聆听音乐课程节选

Owens dispelled Hitler's theories on the track, winning gold medals in the 100 and 200 meters, 4x100-meter relay and long jump.

VOA: standard.2009.08.19

The World Health Organization keeps track of what countries have cases of polio and when they occur, and what the frequency of--So, this is a map from a few years ago and there are efforts that occur occasionally.

世界卫生组织一直跟踪记录,发生小儿麻痹症的国家及发病时间,以及发生的频率,那么,这是从几年前开始统计的,一个地图,这里是一些偶然产生的成就

耶鲁公开课 - 生物医学工程探索课程节选

Ambassador Rice, told reporters the United States and its partners, have been pursuing a two-track approach to resolving the Iranian nuclear issue.

VOA: standard.2009.11.30

I think this is track--if you want to pursue it, it's track--six-CD--track sixteen.

如果大家想细听这曲子,它应该,在6号CD的第16首

耶鲁公开课 - 聆听音乐课程节选

Many people even kept track of Lois online, through a 24-hour-a-day camera feed on the Museum's web site.

VOA: standard.2010.07.30

"Our plan is based on the belief that fast-acting tax relief is the most effective way to put our economy back on track,"

VOA: standard.2009.10.03

"There was clearly opposition from France and Germany to fast-track membership for Ukraine and Georgia,".

VOA: standard.2009.09.04

Robin Hodess says creating a new anti-corruption body is common practice when confronted with corruption, but that the track record of such bodies is mixed.

VOA: standard.2009.11.17

"I got the idea for the multi-track from my mom, who said,'You know,Lester, you sound like everybody else and everybody else is sounding like you.

VOA: standard.2009.08.14

Soon after, the first multi-track tape recorder, also designed by Les Paul,was marketed.

VOA: standard.2009.08.14

Boeing plans to fast track production of its wide-body 777 and 747 jetliners.

VOA: standard.2010.03.30

The final results produced the 45-track Fanthology,arranged in order of most votes received.

VOA: standard.2009.12.18

He says unlike e-mail, the short wave transmissions are almost impossible to track.

VOA: standard.2009.06.06

It's difficult to keep track of the slick, says co-pilot Brian Boland.

VOA: standard.2010.07.05

Paul was known for his innovative multi-track recording techniques;

VOA: standard.2009.12.25

"We know that this is already happening in remote clinics, for example in Rwanda, where cell phone-based technologies are being used to keep track of dispensation of drugs to patients with HIV,"

VOA: standard.2010.02.24

And the Jordanian monarch came to the White House last week as a prelude to a new round of personal diplomacy by the president designed to get the Israeli-Palestinian peace process back on track.

VOA: standard.2009.04.26