Fellow selector and track legend Edwin Moses say it will be difficult for Usain Bolt to win the title for a second consecutive year.

VOA: standard.2010.02.11

I had two daughters. We made the track across the Ohio and New Jersey turnpikes. We came north.

我有两个女儿，我们一路穿过,俄亥俄和新泽西的高速公路朝北走。

普林斯顿公开课 - 人性课程节选

You're stopping him on his track when he says that he's going to marry her, and you say,

当你哥哥说打算跟这个女孩结婚时，你决定要阻止他这样错下去，于是你说，

The thing is 课堂 - SpeakingMax英语口语达人

And they say fewer tenure track positions mean fewer people to work with students, create new courses and serve on committees.

VOA: special.2009.04.09

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

Les Paul is best known for creating one of the first solid-body electric guitars and the eight-track recording device.

VOA: special.2009.09.27

This was when you had this big track, and if you have wandered around different Greek cities that are dug up, some of them will have the hippodrome there, and you can see how huge they were.

里面是大型赛道，如果你参观过发掘出土的希腊城市，有一些会有赛马场，非常宏伟巨大。

耶鲁公开课 - 新约课程节选

USA Track and Field Hall of Famer, Bill Bowerman, is credited with bringing jogging to the United States in the nineteen seventies.

VOA: special.2010.06.08

I could sort of sit there and try to track the lines, but I have to repeat it.

我差不多能试着去跟随旋律线,但必须反复听

耶鲁公开课 - 聆听音乐课程节选

You can track a shark that swims from Australia all the way to southern Africa and back.

VOA: special.2009.03.25

Suppose you're the driver of a trolley car, and your trolley car is hurtling down the track at 60 miles an hour.

假设你是一名电车司机，你的电车以60英里/小时的速度,在轨道上飞驰。

耶鲁公开课 - 公正课程节选

But they receive lower pay than those on the tenure track and have no job security.

VOA: special.2009.04.09

I was an undergraduate here in 1995 as a freshman, I came in thinking I was going to major in government and sure enough I started off on the track; I'd like history, I'd like government, English, these kinds of things in high school.

995年我作为本科新生进入哈佛，我刚来的时候想主修政治,后来我就沿着这条路走了下去，我喜欢历史，政治和英语，就像高中的时候一样。

哈佛公开课 - 计算机科学课程节选

To make his guitar, Les Paul attached guitar strings and two electronic pickup devices onto a flat piece of wood from a railroad track.

VOA: special.2009.09.27

This is one example that, without fail, people would say is a marvel of medicine and bioengineering, but that it's still something to keep track of.

刚才就是一个例子,在技术上我们并没有失败,人们也会称赞医学和生物工程的神奇,但仍然需要注意可能发生的情况

耶鲁公开课 - 生物医学工程探索课程节选

And "Spin" says the album's title track is the band's best song to date.

VOA: special.2009.05.29

answered 92% of the questions correctly, admitted modestly to being a member of the campus honor society was the editor of the yearbook, and ran varsity track.

2%的问题回答正确，谦恭地承认是优等生联合会一员,年刊编辑，校田径赛队员。

耶鲁公开课 - 心理学导论课程节选

Professors on the tenure track teach classes, advise students and carry out research.

VOA: special.2009.04.09

He just sort of plunges you into their speech, into their lives, and you have to, in a sense, work to get into their character to be able to keep track of who is speaking.

他就是将你拉入他们的语言他们的生活，某种意义上来说你不得不，努力去进入他们的角色,以便了解是谁在说话。

耶鲁公开课 - 现代诗歌课程节选

Then they jump onto the bobsleigh and continue racing down the track.

VOA: special.2010.02.10

And there is this heartbreaking love that Sal has for Dean, and, if you track that through, the major turning points in the second two thirds of the novel are moments when Sal makes it clear to Dean that he actually cares about him.

而且萨尔对迪安有着令人悲痛的爱情，如果你追踪这一点，你就会发现小说里,三分之二的时间萨尔都在,向迪安说明他有多在乎迪安。

耶鲁公开课 - 1945年后的美国小说课程节选

Each track could be recorded and changed separately, without affecting the others.

VOA: special.2009.09.27

So also, along those lines in terms of test taking, make sure you also box your answers and that you keep track of significant figures and that you also remember to include your units.

另外，既然提到了答题要求，我想提醒大家考试的时候务必标出自己的答案,保持有效数字的一致性,并且记得带上单位。

麻省理工公开课 - 化学原理课程节选

"Even though I'm blind I love to go see movies. Some theaters have these transmitters that you can check out at the front desk where you buy your tickets, and there is an audio track that provides description for the movies.

VOA: special.2010.03.01

The plan was to stay for a year or two, and then go back to Canada, and I lost track of time.

本来的计划是待一两年，然后就回多伦多，但是计划打乱了。

麻省理工公开课 - 固态化学导论课程节选

He noted that poppy cultivation decreased 19 percent nationwide last year and is on track to drop even further in 2009.

VOA: standard.2009.03.27

And along the way I'm keeping track of how many iterations at the end I'll print how many iterations I took, before I return the final guess.

提到的方法去运行,并且我会跟踪到底,进行了多少次迭代,并在最后返回结果之前，显示进行了多少次迭代。

麻省理工公开课 - 计算机科学及编程导论课程节选

Two world records were set during the Vancouver Olympics, both in short track speed skating and both by China.

VOA: standard.2010.03.01

What they usually do is they take the underperforming fund and they merge it with one that has a better track record.

更常见的做法是把运作不佳的基金,合并到另一只表现良好的基金中去

耶鲁公开课 - 金融市场课程节选

You add them all up algebraically, keeping track of their sign, and that's the total force.

你再对这些力做代数加法,注意符号,就求出合力了

耶鲁公开课 - 基础物理课程节选