is to bring attention to the number of animals and places that have either disappeared or will disappear in our lifetime.

VOA: special.2009.05.06

Cells can stop in their lifetime at some point in the cell cycle and persist for long periods of time.

细胞生命期可以停止在细胞周期的某个点,并保持很长时间

耶鲁公开课 - 生物医学工程探索课程节选

You have more skateboards than you're going to be able to use in your entire lifetime and the government is taking part of those.

你的滑板多到,一辈子也用不完,而政府只是拿走其中的一些。

耶鲁公开课 - 公正课程节选

The World Health Organization says one in three women around the world will experience some form of violence in their lifetime.

VOA: special.2009.10.24

And in fact that's always been the case even in his lifetime.

其实，甚至在他在世的时候也是这样。

耶鲁公开课 - 弥尔顿课程节选

The recording industry honored his lifetime work with a Grammy Award after he died in two thousand two.

VOA: special.2010.01.25

But all of this is overthrown, "changed utterly," by the radical politics that altered Ireland during Yeats's lifetime, that announced the coming of modernity and that these two women themselves participated in centrally.

但这一切被推翻了，完全改变“,被叶芝时期的爱尔兰,的那场激进政治革命改变了，他宣告了现代的到来,这两个女人亲身参与其中。

耶鲁公开课 - 现代诗歌课程节选

She says the work is a poem about the people who cross our paths in a lifetime.

VOA: special.2010.07.12

There was no good reason in the world that an abolitionist in the 1830s, '40s, and even the '50s, had any right to believe they would see the end of slavery in their lifetime.

然而在这世上并不存在一个好理由,使一个十九世纪三十年代,四十年代甚至五十年代的废奴者,几乎不可能相信,他们在有生之年会看到奴隶制的终结

耶鲁公开课 - 美国内战与重建课程节选

As he once told the Houston Chronicle, "A Weed Eater comes along once in a lifetime."

VOA: special.2011.07.19

So this is an example of a technology that's just emerging now, it's certainly going to impact you in your lifetime and we'll talk about how it works and what the current state-of-the-art is there.

这个例子中提到的技术,才刚出现,但在你的有生之年,它肯定会影响人们的生活,我们会讨论到这门技术的原理和,当前的技术水平

耶鲁公开课 - 生物医学工程探索课程节选

This intensity and intelligence shine in the films that Katharine Hepburn made over her lifetime.

VOA: special.2009.09.20

Every major African-American writer of the twentieth century, at least until your lifetime, when black writers in this country are now born and raised in cities, in California or Minneapolis or New York or and in modern Atlanta and they come from all the same places other Americas do.

二十世纪的每一个主流的非裔美籍作家,至少到你们这一辈子所能接触到的,这个国家的黑人作家,现在,都生于城市长于城市,在加州,明尼阿波利斯市或者纽约市,或者现代亚特兰大,他们从和其他美国人来自同一个地方

耶鲁公开课 - 美国内战与重建课程节选

Definitely a once in a lifetime opportunity I'm doing here." These boys say they share the special link of being Scouts no matter where they come from.

VOA: special.2010.08.06

Things like steel and polymers, or plastics, and ceramics, and of course computers which has progressed remarkably due to the work of engineers in your lifetime, until now you can carry around a cell phone, which would have been unthinkable even 30 years ago.

包括钢铁,聚合物,塑料,陶瓷,当然,计算机这个在你们的有生之年,已经取得令人瞩目的进展的发明,也得归功于工程师的工作,现在你们的手机能随身携带,而这在三十年前是不可想象的

耶鲁公开课 - 生物医学工程探索课程节选

Is she a sleeper Russian spy, one who has spent a lifetime in the United States waiting to fulfill her mission?

VOA: standard.2010.07.26

One of the beautiful things about antibodies is that one your immune system is able to make antibodies against all the thousands, ten thousand, hundred thousand different pathogens that you'll come into contact with in your lifetime.

抗体的一个绝妙之处就在于,你的免疫系统可以分泌抗体来对抗,成千上万的 甚至数以十万计不同病原体,这些病原体都是你一生中可能会遇到的

耶鲁公开课 - 生物医学工程探索课程节选

For the fans,it will be a once-in-a-lifetime opportunity to join the celebrations and see the world's greatest football players compete at home in Africa.

VOA: standard.2010.02.10

He says the jamboree is a once in a lifetime opportunity for him.

VOA: standard.2010.07.31

Many people believe the World Cup will showcase South Africa in a once-in-a-lifetime way, and the new infrastructure is expected to help support the country's growing economy for years to come.

VOA: standard.2010.06.03

I'm going to do this thing. So,that's why I got here." Robert Nephalama,who works at a bank near Johannesburg, wants to make the tournament a once-in-a-lifetime experience for the visitors as well.

VOA: standard.2010.03.26