The researchers say if people want to avoid heart disease, they should be more aware of how much sugar is in their food, and reduce it,if need be.

VOA: standard.2010.04.25

If need be, occupy a throne, Where nobody can call you crone.

如果需要，占领一个王位，哪里没人会叫你老妇人。

耶鲁公开课 - 现代诗歌课程节选

Yeah, I think if you live outside of London and you need to commute, you got to get the train.

如果你住在伦敦市区外面，你需要坐火车上下班往返。

公共交通更方便 - SpeakingMax英语口语达人

A waiter in the play tells a customer, "If you need any Scotch or gin,Sir My number is Eighty-Six."

VOA: special.2010.01.08

So if you need more--bigger numbers, you just have a 16's column and a 32's column, and so forth.

所以，你需要有一个更大的数字，就采用16位，32位等等。

哈佛公开课 - 计算机科学课程节选

And he says more lives can be saved in the future if the programs continue to receive the money they need.

VOA: special.2010.03.10

It's very exciting, but if you think you know everything you don't need to learn, you don't belong to us. I always need to learn.

这很令人兴奋，但如果你认为,你什么知道，你不需要学习了，那么请你退出百度，因为人总是在学习。

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

If you live in a cold area, a tender bulb will need special care when the growing season is over.

VOA: special.2011.04.12

If asked the case, then we as a business school need to be thinking about if it is changing the entire way which we proceed to do business.

被问到这个问题时,我们作为商学院要思考,技术是否完全改变了,今后教育的形式。

麻省理工公开课 - 媒体、教育、市场课程节选

If one of your goals is to lose weight, you will also need to change how and what you eat.

VOA: special.2010.06.08

But that way you can give me Monday to change your section if you need to, which I hope you won't.

如果需要的话，你们可以在周一换组，虽然我不希望你们改。

哈佛公开课 - 幸福课课程节选

But writers can use any other words they need to report a story if the meaning is clear.

VOA: special.2009.04.06

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

Jefferson Davis said there was no need to attack the fort if hunger would soon force the United States soldiers to leave.

VOA: special.2009.08.06

I've got two states here, three states here, two here, I need four, and if I can come up with these bonds, four, by the Hund rule I'd fill them like this.

我们已经有2个状态在这里，3个在这里，2个在这里，我需要4个，如果我能想到这些键，四个，通过洪特规则，我们就能像这样排布。

麻省理工公开课 - 固态化学导论课程节选

They can also store food for themselves, and have enough money to buy food if they need to during the lean season.

VOA: special.2009.11.17

If I know I'm going to need something over and over again, I squirrel it away somewhere and then get it back when I need it.

如果我知道我将要反复,使用一个东西时,我会把它贮藏起来以后用。

麻省理工公开课 - 计算机科学及编程导论课程节选

Experts say cabbage does not need full sun and grows easily if you water it regularly and protect against insects and disease.

VOA: special.2009.03.03

You don't need to, if you want to take advantage then you can, but you don't need to.

你不一定要这样做,除非你想充分利用该网站,不然的话,真的没必要

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

If we do not get enough of the vitamins we need in our food,we are at risk of developing a number of diseases.

VOA: special.2009.04.21

And then she is gripped with--as she says, "overcome all at once"-- by a need to touch him, as if she could not believe in him or would not remember him.

然后，就像她说的，“突然克服了“一样，她被一种接触他的需要紧紧握住，就像是她不能够相信他，或者是记得他。

耶鲁公开课 - 1945年后的美国小说课程节选

If people could take the medicine by mouth, they would not need to travel to health clinics.

VOA: special.2009.04.06

So, if you can't immediately know, and you don't all have periodic tables in front of you, so that's fine, but if you have a periodic table in front of you, you need to be able to count valence electrons, so work on that if it doesn't come naturally to you in terms of figuring that out.

如果你不能马上想到，而且你手上没有周期表，那还好，但如果你面前有一张周期表，那你就得具备从中查出价电子个数的能力，如果你不能自然而然地想到,请在这方面多下点功夫。

麻省理工公开课 - 化学原理课程节选

But the Democrats will need party unity if they try to pass reform legislation on their own.

VOA: special.2009.09.12

He said, "If you need any help, I can help you out."

他说，“如果你需要帮助，我可以帮你“

普林斯顿公开课 - 人性课程节选

The new capsule could also be used if astronauts need to leave the station in an emergency.

VOA: special.2010.04.28

No need to worry if you're doing things right.

如果你按照教义去做就不必担心

耶鲁公开课 - 古希腊历史简介课程节选

They said he would need campaign money from business if he expected to be elected president again.

VOA: special.2010.05.27

If you want to spend time with a friend but you need to find out their schedule first,

如果你想要和朋友们一起玩，你首先得看一下他们的日程安排。

When 课堂 - SpeakingMax英语口语达人

Well, there is a sentence for you and, as I say, I don't have time to explicate it but I commend it to you as a possible paper topic if you're still in need of one.

这就是我说的那个句子，我没有时间解释它，但是我向你们推荐,最为一个可能的论文话题，如果你们还需要的话。

耶鲁公开课 - 文学理论导论课程节选