But experts say it has become the leading flu virus in all countries.

VOA: special.2009.11.24

It has become a very large economy in the world.

成为了一个很大的经济体。

斯坦福公开课 - 百度CEO李彦宏演讲：全球最大搜索引擎的发展课程节选

I think it has become so cliche to say, "Oh, I like Tim Burton, you know. I think just his style is so cool."

我认为再说，“哦，我喜欢蒂姆•波顿，我觉得他的风格很酷。”就是陈词滥调。

蒂姆伯顿最棒 - SpeakingMax英语口语达人

And,over the years, it has become a popular way of expressing sadness.

VOA: special.2009.10.25

Since the 1st of January it has become more and more evident to my mind that the war is henceforth to be conducted upon a different basis.

自元旦以来,我越来越明白,至此,实际上战争,被触发的起点不同

耶鲁公开课 - 美国内战与重建课程节选

Some are made up of disaffected members of the regional terror group Jemaah Islamiyah, who feel it has become too passive.

VOA: standard.2010.03.24

Traditionally, financial inventions were not granted patent rights, but now in the United States and in a number of other countries it has become possible to patent financial inventions.

传统的金融产品,是没有专利的,但现在,在美国,和其他的一些国家中,金融产品也拥有了专利

耶鲁公开课 - 金融市场课程节选

Thanks to some of these new treatment strategies, it has become possible to slow the advancement of Alzheimer's.

VOA: standard.2009.12.04

It has become a very... I don't even know how that happened.

它已经变成了一个非常……我甚至不知道那是怎么发生的。

肉品市场区的变迁 - SpeakingMax英语口语达人

"It has become a diagnostic tool that informs and guides our efforts as we seek to build a global partnership to combat modern slavery,"

VOA: standard.2009.06.16

And so fish doesn't become a food to eat because it's good for you; you eat it because it has Omega-3's.

所以我们不是因为鱼好吃所以才吃鱼,而是因为其中含有ω-3脂肪酸

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

"I certainly do think that it has become a victim of itself in many ways, like getting into some of the events are almost impossible.

VOA: standard.2010.07.23

Okay, it could be a bit of a problem if this text has become the basis for a system of religious faith or belief, and your assumptions about it are that its telling a truth that is singular in nature.

如果这本书成为一些宗教信念系统的基本,那就有问题了,你会臆断，这本书上的都是真确的，都是非凡的。

耶鲁公开课 - 旧约导论课程节选

The report also shows that it has become increasingly difficult to find new jobs, a conclusion that worries Congresswoman Carolyn Maloney, a New York Democrat and chairwoman of the committee.

VOA: standard.2009.04.03

It's as if Lycidas has died so that Milton could live to become a great poet.

似乎利西达斯依然死去，因此弥尔顿才得以继续存活,并成为一个伟大的诗人。

耶鲁公开课 - 弥尔顿课程节选

Secretary Geithner told the House Financial Services Committee Thursday that it has become clear there is a need for better and tougher regulation in a complex and flawed financial system.

VOA: standard.2009.03.26

The poet Wallace Stevens puts it beautifully when he says that poetry should make the visible a little hard to see; in other words it should be a defamiliarizing of that which has become too familiar.

诗人华莱士，史蒂文斯在解释这点时说得很漂亮,他说，诗应给能见之物涂上一点朦胧的色彩，换句话说,诗应将熟悉的事物陌生化。

耶鲁公开课 - 文学理论导论课程节选

"It has become increasingly clear that Tony Blair misled parliament on more than one occasion and I think that MPs were invited to make their own judgment on the merits of the case for war and they were entitled to do so on the truth and it looks very much as though that the truth was withheld from parliament and many MPs may well have made a different decision if they had had the full unvarnished truth,".

VOA: standard.2009.12.13

The type of individual he tried to create, careful, self-interested, risk averse, this has become ? the dominant ethos of our civilization, has it not?

因为他笔下的个人主义，如强调个体利益，风险回避等,已经成为我们文明的主导精神，不是吗？

耶鲁公开课 - 政治哲学导论课程节选

China says it has passed Germany and become the world's top exporter.

VOA: special.2010.01.15

Take me out to the park, etc... " It's amazing that that melody has become as popular as it has given the fact that it's really hard to sing.

带我出去逛公园,等等,奇怪的是,这段旋律,很流行,而事实上,它真的很难唱

耶鲁公开课 - 聆听音乐课程节选

Believe it or not, air guitar has become a competitive sport.

VOA: special.2009.08.14

They are relatively competent, they speak English and if the diagnosis can be made on line they'll do it, and all of these services are now been provided and so service sector has become a fast growth in India contributing to higher growth rates.

这个方面印度人力更有竞争力，因为他们会说英语,只要医生可以在线诊断,他们就能提供好该项服务,这些服务现在都有,因而促进了印度服务行业飞速发展,从而也使印度经济更快速增长。

普林斯顿公开课 - 国际座谈会课程节选

Now he says it has also become a rewarding livelihood.

VOA: special.2009.12.04

It doesn't have every potential, it's a boy or a girl, it's not going to go back, but it has lots of potential in that eventually when it becomes an adult it could become a cellist, or a biologist, or an auto mechanic, or a biomedical engineer, all those potentials are still there.

但不是全部,比如性别已有定论,无法改变,但还是有很多潜能,当孩子长大,他可以成为大提琴家,生物学家,机械师或者生物医学工程师,他仍有所有的潜能

耶鲁公开课 - 生物医学工程探索课程节选

It is a scenario that has become all but routine - an act of piracy on the high seas by Somalis.

VOA: standard.2010.04.20

Doesn't it make sense then that being sedentary and seeking out high fat, high sugar, high calorie foods has become a priority woven into our biology?

我们的生物学天性,即静养至上,寻求高脂高糖高热量的饮食,是有一定的道理的

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Mustafa argues that whatever the original point of the ban, it has been so widely violated as to become meaningless.

VOA: standard.2009.10.08

But it has become a very fashionable district.

但它已经变成了一个非常时尚的地区。

肉品市场区的变迁 - SpeakingMax英语口语达人

You can see in the New World with maize being important how America has become a corn dominated society, even though it's still true that we raise wheat, we raise other things in the United States, and we can import different foods, corn has become an incredibly important constituent of the diet in the U.S.

你能发现玉米在美洲大陆的重要性,那美洲是怎样变成主食玉米的社会的呢,尽管我们仍然种植小麦,在美国也种植其他粮食,而且我们能进口各种不同食物,但是玉米还是变成了,美国人食谱中不可代替的部分

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选