Soft corals do not form reefs, but may be present in a coral reef ecosystem.

VOA: special.2010.08.10

You could use PCR to do that because if you amplify a gene in PCR, that gene had to be present from the beginning.

你可以用PCR技术来鉴定,因为如果你能用PCR扩增某一段基因,说明它从一开始就肯定是存在的

耶鲁公开课 - 生物医学工程探索课程节选

when you allow yourself to be present in situations and be surprised from them, you know.

那是当你把自己放在一种情境下，让自己感到惊奇的时候。

艺术从自由起步 - SpeakingMax英语口语达人

Pro-government Basij militia members are also reported to be present in large numbers on campuses across the country.

VOA: standard.2009.12.07

Self-alienation, in Barth's work, is the product of desire. Desire, love: that's the moment when you're supposed to be perfectly present.

巴斯作品中，自我疏离是欲望的产物，欲望，爱：,那是你应该在场的时刻。

耶鲁公开课 - 1945年后的美国小说课程节选

"Anytime you have a high-profile case, as this one is,concerns about a fair and impartial jury will be present in any defense counsel's mind."

VOA: standard.2009.11.10

because that sarcastic undertone may or may not be present depending on how it's used.

因为话中是否有挖苦的意思，还得看这句型是如何使用的。

Do you ever课堂 - SpeakingMax英语口语达人

"In light of the accused voluntarily and unequivocally waiving his right to be present at these proceedings, the chamber is of the view that this hearing can proceed in his absence,"

VOA: standard.2009.10.27

That's important, too, because you need to be able to tell if the virus is present in the human population.

这一点也非常重要,因为你要能够分辨出,人群中是否有人感染了天花病毒

耶鲁公开课 - 生物医学工程探索课程节选

And so the G-20 meeting, where leaders representing 80 percent of the world economy will be present, is an extraordinary opportunity for Obama precisely to show the U.S.leadership that he has been talking about,".

VOA: standard.2009.03.31

In class we'll have more data to present to you and we'll be eager to talk about some of the ways that people will be using the site and what the potential impact will be.

课堂上将会呈现更多的数据,我们渴望谈论,人们用这个网站的方法,以及潜在的影响。

麻省理工公开课 - 媒体、教育、市场课程节选

Or patients might be advised to think less about the past and more about the present and the future.

VOA: special.2010.04.13

This is the present value of $1 in one time period, which I'm taking to be a year.

这就是一美元在一段时期内的现值,我只是将一美元持有一年

耶鲁公开课 - 金融市场课程节选

This can be especially appealing considering the present high unemployment rate and the rising costs of attending college.

VOA: special.2010.07.16

But before he can actually be made present at the actual event of the Nativity, he has to endure something painful and obviously momentous: "from out his secret Altar toucht with hallow'd fire."

但是要想真正能在,基督降生时出现，他不得不忍受一些痛苦，而且是巨大的痛苦：,“从神秘的祭坛外碰到圣火“

耶鲁公开课 - 弥尔顿课程节选

But Mr.Abhisit, in recent media comments, says he will not be pressed to take the country to elections at present but is willing to hold talks with protest leaders.

VOA: standard.2010.03.20

So can be changed slightly, depending on tense, past, present or future as well as whether or not you want to ask a question.

因此这个句型要根据不同的时态，如过去时、现在时和将来时，作出一点调整；另外也会根据是否是问句而略有不同。

There is 课堂 - SpeakingMax英语口语达人

While many developing-world communities might not be ready for Hunt's runoff management model, Urbonas believes it is important for them to be aware of the pollutants present in stormwater even as they learn to manage their community's waste water.

VOA: standard.2010.08.04

So every generation of Israel is to view itself as standing at the sacred mountain to conclude a covenant with God, and that decisive moment has to be made ever-present. That's a process that's facilitated by the obligation to study, to study the laws, to recite them daily, to teach them to your children: these are instructions that are contained in Deuteronomy.

那么每一代以色列人都将自己看做站在圣山上,与上帝立约的人，于是那个决定性的时刻,被变为了恒久的场景这是通过学习，学习律法,而达成的过程，每天背诵它们，把它们交给你的孩子们：这是申命记中,包含的指示。

耶鲁公开课 - 旧约导论课程节选

Whereas the G20 summit in London earlier this month kept its focus on global financial and economic matters, discussions at the Summit of the Americas could be sidetracked by advocacy on behalf of a nation not present at the gathering:Cuba.

VOA: standard.2009.04.15

You'll see enough things that will confound you, but right now I want to demonstrate a simple paradigm of what it means to know the present and what it means to say this is what the future behavior will be.

你将会发现很多物理问题会让你困扰,而眼下我会举一个例子来阐述,什么叫了解现在,什么又叫预测未来

耶鲁公开课 - 基础物理课程节选

"The present situation is where religious extremists - whether they be the Taliban or whether they be one of the very many other jihaidst groups that were early on nurtured by the Pakistan army - they are pretty much beyond control now,".

VOA: standard.2009.05.05

It's important to build trust and to be, to be fully present and authentic.

彼此之间建立信任很重要，要完全坦诚。

治疗心灵 - SpeakingMax英语口语达人

So many of the people we'll talk about, whether it's Bob Fredrickson who we'll talk about in a few minutes, David Cooper whether it's David Cooper we'll talk about, Martin Seligman whether it's Martin Seligman of course, will come there and present to you and you'll be spending quality time in small groups with them.

我们将会谈到的很多人，比如Bob，Fredrickson，过一会我们会谈到他，或者以后会谈到的，当然还有，都会去那里给大家讲座,你将和他们亲密相处。

哈佛公开课 - 幸福课课程节选

It's not as simple as DNA going to RNA going to protein, because proteins need to be present in order to make these things happen as well.

基因表达不是简单的从DNA到RNA,再到蛋白质,因为整个过程需要,不同酶的催化作用

耶鲁公开课 - 生物医学工程探索课程节选

I think it does factor into her sense that the truth she is accessing, or the truth that she is trying to present to the world in her stories, is one that even a child might be able to understand.

我想这确实是一个因素能让她觉得,她所触及的事实，或者说她通过故事向世人呈现的事实，连一个孩子也可能理解。

耶鲁公开课 - 1945年后的美国小说课程节选

It would be c times 3 in the third year, etc., Then the present value is equal to c/-- that's the formula for the value of a growing console.

在第三年它就是三倍的的三次方,现值就相当于c/,这就是上涨债务价值的公式

耶鲁公开课 - 金融市场课程节选

If the messenger RNA for protein is not present in a cell, then that can't be translated, obviously, and the protein can't be made.

如果细胞中没有,用来合成蛋白质的mRNA,那就不能进行翻译,很明显,蛋白质也不能被合成

耶鲁公开课 - 生物医学工程探索课程节选