The experts said you could get infected only if you sit within two rows of someone who is sick.

VOA: special.2009.07.14

It's as if the commodity of the bride is deemed truly valuable only if it can be guaranteed pure and untouched.

这就好像新娘这件商品,只有在完全的纯净没有动过才是有真正价值的。

耶鲁公开课 - 弥尔顿课程节选

But that's it. Only if you want to.

但是就这样了。一切都是自愿的。

关于美军 - SpeakingMax英语口语达人

And it would permit the bank to open offices in a state, but only if the state approved.

VOA: special.2009.01.29

The "parable of the vineyard" assures us that God rewards us regardless of our hard work and investment, but only if we're called, only if God chooses us.

葡萄园的寓言“使我们确信,无论我们是否努力工作都会得到上帝的奖励，但除非上帝选择了我们。

耶鲁公开课 - 弥尔顿课程节选

Treasury Secretary Chase was for the plan only if Lincoln was sure it would not mean war.

VOA: special.2009.08.06

In other words, only if we really are sure that the historicist act of reading is effective and works, if I know the meaning of a text. Well, fine.

换言之，要是我们确定,阅读这个历史主义行为是有效的，有用的，如果我知道文本的意思，那么，很好。

耶鲁公开课 - 文学理论导论课程节选

They got Mexico to agree to recognize the independence of Texas, but only if Texas agreed not to join the United States.

VOA: special.2009.02.19

So the open curly brace followed by the closed curly brace means everything inside of these curly braces should get executed, but only if that first condition is actually true.

所以左花括号后面跟着,右花括号，这意味着花括号里面所有的代码,都应该是要被执行的，但只有当第一个条件是正确的。

哈佛公开课 - 计算机科学课程节选

It says catheters should be used only if necessary.

VOA: special.2010.04.21

swap I'm going to keep track of a little variable called swap, it's initially true, and as long as it's true, I'm going to keep going, but inside of the loop I'm going to set it to false, and only if I do a swap will I set it to true.

我打算跟踪一个小的变量称为,初始值为真，只要它是真的,算法就会继续，但是在循环里,我打算把他设为假,除非交换发生，就把它设为真。

麻省理工公开课 - 计算机科学及编程导论课程节选

The European Union predicts the bloc may begin to slowly recover next year, but only if the banking system and international trade pick up.

VOA: standard.2009.05.04

If you were the only guy with wheels on your suitcase, people would think you look a little odd.

如果你是唯一一个箱子上带轮子的人，人们可能会觉得你有点古怪。

耶鲁公开课 - 金融市场课程节选

Separately,EU foreign policy chief Javier Solana reacted cautiously to reports that Iran would accept the broad lines of a UN proposal to enrich Iranian uranium overseas but only if "important changes" were made.

VOA: standard.2009.10.27

But my only criterion is if you talk in your sleep, now that's not allowed because talking is not allowed.

我唯一的要求就是别说梦话,因为我的课上不准说话的

耶鲁公开课 - 基础物理课程节选

North Korea's supreme leader Kim Jong-il is reported to have told Mr.Wen that he would return to the six party nuclear disarmament negotiations but only if North Korea has one-on-one talks with the United States.

VOA: standard.2009.10.10

There's way to make life work that will work to your advantage if you only think about it.

总有办法让生活变得,如你所愿，只要你愿意思考。

普林斯顿公开课 - 人性课程节选

A day after leaving Burma, diplomat Scott Marciel says the message was made clear to Burma's military leaders: the United States is willing to improve relations, but only if there is progress on democracy in the country.

VOA: standard.2009.11.05

If only you had seen the light and stuck to the soul theory of personal identity, all these problems could be avoided.

如果你们能够领悟真谛，接受灵魂理论，这些麻烦就自然消失了。

耶鲁公开课 - 死亡课程节选

Representative Donald Payne, who chairs the House Subcommittee on Africa and Global Health, said further violence can be avoided only if Somalis from all three regions of the country come together: "As we gather today many Somalis continue to be displaced, maimed and killed.

VOA: standard.2009.06.26

So what I want to tell you is we also always get the same bond order if we instead only deal with the valence electrons.

我想要说的是我们如果,只考虑价电子也可以得到相同的键序。

麻省理工公开课 - 化学原理课程节选

"I don't care," he said. "I am the only person who can tell you if your wine man has cheated you.

VOA: special.2009.02.07

If it could only ditch this electron, it could have the same electronic structure as neon.

如果它能失去这个电子，它就能和氖有一模一样的电子结构。

麻省理工公开课 - 固态化学导论课程节选

If you are not for force, and not for dissolving the Union, there only remains some kind of compromise.

VOA: special.2009.10.29

If I only worry about minimizing the energy, it's true They'll stick together a little bit.

如果我只关心能量最低，这是对的,分子会黏在一起。

麻省理工公开课 - 热力学与动力学课程节选

If you stayed only ten minutes in each store, it would take over eighty-six hours to complete your visit.

VOA: special.2010.08.13

Again, Aristotle's argument is deeply compact and will be easily misunderstood if you only read it once.

亚里士多德的论述仍十分简洁,所以很容易被误解,如果你只读一遍的话。

耶鲁公开课 - 政治哲学导论课程节选

And once he said: "Four-fifths of our troubles in this life would disappear if we would only sit down and keep still."

VOA: special.2010.12.23

Government can't be the only one with responsibility; if it's not the only one with the power.

政府并非是唯一需要负责的部门",除非它是独掌权利的部门

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

And then, you start thinking, "Well, I could really start doing this if only X and if I had this person or if this technology existed or if this happened or this happened."

之后，你会开始思考，恩，只要某项条件成熟了，只要我认识这个人,或是如果这个技术存在,或是如果这个或那个发生了，我就能开始落实这个点子了“

斯坦福公开课 - Twitter之父Jack.Dorsey演讲：好奇和灵感的力量课程节选