This is the first time genomes of people suffering from disease have been completed.

VOA: special.2010.03.23

This is the first time we've ever driven to Los Angeles.

这是我们第一次开车到洛杉矶。

洛杉矶VS圣地亚哥 - SpeakingMax英语口语达人

This is the first time we have in Christianity someone attempting to say,"This is the authoritative list.

这是基督教里面第一次有人说,“这些是权威书目。

耶鲁公开课 - 新约课程节选

This is the first time it will recognize the work of nongovernmental groups.

VOA: special.2010.06.22

This is the first time we have such a reference.

这是我们首次遇到这类的参考文献

耶鲁公开课 - 古希腊历史简介课程节选

This is the first time there has been a separate category for Americana music.

VOA: standard.2010.01.24

Milton is able in this speech to combine, I think, for the first time the two associations borne by that Latin word pastor.

弥尔顿能够在这场演说中，第一次把拉丁语牧师的两种联想结合起来。

耶鲁公开课 - 弥尔顿课程节选

This is the first time the Olympic medals are not flat.

VOA: standard.2010.02.16

This is the first time I've ever done that before.

这是我第一次这么做。

I'm frustrated 实战 - SpeakingMax英语口语达人

This is the first time the alliance of more than a dozen militant groups with links to al-Qaida has claimed responsibility since its former leader Baitullah Mehsud was reportedly killed in a U.S.missile strike.

VOA: standard.2009.09.26

So this is to say, for those of you who are joining us today for the first time, that's totally fine.

也就是说，对于你们中第一次加入我们的同学而言,是相当不错的。

哈佛公开课 - 计算机科学课程节选

"It's an image that is very North Korean, but the way it's being treated is exceptional and this is the first time anyone has ever seen this style of art in the country ."

VOA: standard.2009.12.09

The reason why I have "Time-ins"... This is something that I am introducing this year for the first time.

之所以进行“练习时间。,这是今年新提出的。

哈佛公开课 - 幸福课课程节选

He said, "Have a seat", and I sat down, "Is this the first time you've been to our little town?"

VOA: special.2010.07.02

I think this might be the first time that John Milton is actually attacked or brought to the attention of the English people in print.

我想那可能是弥尔顿第一次被抨击,或在出版界中引起英国人的注意。

耶鲁公开课 - 弥尔顿课程节选

As histories tell it,he looked and looked at the first photograph, and said: "This is one for all time."

VOA: special.2010.05.31

If you never meditate before, this is a wonderful opportunity to do it for the first time.

如果你从没冥想过，这是你们尝试的好机会。

哈佛公开课 - 幸福课课程节选

However,this is not the first time the mine has been used for science.

VOA: special.2009.07.21

And this is a picture from emersion week-- emersion week is when the very first time students meet together that for 5 days to Penn.

这是一张开学周的照片-,开学周时，同学初次见面,他们来宾州五天。

哈佛公开课 - 幸福课课程节选

He said this is not the first time Iran has tried to hide its nuclear activities from the world.

VOA: standard.2009.09.25

The style of warfare that emerges in this period, apparently for the first time, is what we call the hoplite phalanx and each half of that needs to be explained.

显然,这个时期第一次出现了,一种独特的战争形式,那就是重步兵方阵,我来给大家分别解释下这两个词

耶鲁公开课 - 古希腊历史简介课程节选

Bosworth said the problem will take time to solve. "This is not the first we have heard of HEU,".

VOA: standard.2009.09.06

Remember I talk those of you who were here the first time: this course is built like a spiral Everything is intra-connected, what I talked about in the first class is connected to what I'm going to talk about today, is going to be connected to lecture 19.

记得一开始我就跟你们说过：,这课程就像个螺旋,内部的一切都是相关的，第一节课讲到的内容,与今天要谈的课题有关，也和第19课有关。

哈佛公开课 - 幸福课课程节选

This is not the first time that Mr.Leterme, a Flemish Christian Democrat, has headed Belgium's government.

VOA: standard.2009.11.25

This is not the first time the military has done an offensive in the tribal region.

VOA: standard.2009.10.17

And this year, for the first time since 1991, that rate is on the rise.

VOA: standard.2010.05.12

This is not the first time the Muslim veil has sparked controversy in France.

VOA: standard.2010.01.30

"There's some change in the mood." "I wouldn't say this is radical. Actually,automobile drivers have been a rather cohesive force in Russia, and this is not the first time this is happening.

VOA: standard.2010.05.19

"You will not be forgotten as long as I am in this White House," (Applause) The gathering at the Interior Department in Washington is the first time in 15 years that a president has met with leaders of the American Indian tribes.

VOA: standard.2009.11.05

"I feel so strongly that this country is headed, fiscally,in a horrible direction, and for the first time in my adult life, we have a Congress that will not listen to the people, and we are fed up and we want them to listen to us."

VOA: standard.2010.03.16