CARLOS AMAYA: "By then, I had already developed my own idea of what sustainable was, and where it needed to go."

VOA: special.2009.04.10

What was the key step that I said I needed to do on Friday but failed very publicly to do so?

至关重要的一步，我将在本周五跟大家细细道来,如果我很嚣张地失败了怎么办？

哈佛公开课 - 计算机科学课程节选

But what was really needed in order to do this was a defined preparation, right?

为了给每个人带来相同的免疫效果,我们需要精准的疫苗制剂

耶鲁公开课 - 生物医学工程探索课程节选

He said the Earth is hiring and it was up to them to join together and do what is needed to help save the planet.

VOA: special.2009.06.05

And we also, when we solved or we looked at the solution to that Schrodinger equation, what we saw was that we actually needed three different quantum numbers to fully describe the wave function of a hydrogen atom or to fully describe an orbital.

此外，当我们解波函数,或者考虑薛定谔方程的结果时，我们看到的确３个不同的量子数,完全刻画了氢原子,的波函数或者说轨道。

麻省理工公开课 - 化学原理课程节选

What my father needed more than a wife was sons.

VOA: special.2009.02.14

But what I needed to do this problem was to find these two unknowns.

但我解决这道题需要找到这两个未知量

耶鲁公开课 - 基础物理课程节选

So you followed me. I was trying to keep a distanceunless you needed my help, and then I heard what those low-lifeswere thinking.

VOA: standard.other

The Presbyterians needed to halt the endless generation of dangerous religious propaganda and continued what they felt on some level was the continued metastasis of Protestant sects.

长老派需要停止无穷无尽不断产生的,危险的宗教宣传,继续他们认为的在一定程度上,继续转移的清教徒派系。

耶鲁公开课 - 弥尔顿课程节选

military officer has called an "economy of force" operation, in which the United States did what it could, after doing everything that was needed in Iraq.

VOA: standard.2009.03.27

What they needed to look at was the message.

而应该关注信息本身。

哈佛公开课 - 幸福课课程节选

"As is often the case, some of the international press either misunderstood or deliberately misconstrued what was a civilian and military response both of them necessary to be able to deliver aid to the Haitians who desperately needed it,".

VOA: standard.2010.01.26

What we needed was some mechanism of exerting some fixed force.

我们需要的是一些能够产生恒力的装置

耶鲁公开课 - 基础物理课程节选

"Well,actually I was scheduled to work this morning," . "When I got up at 5:30, I saw on the news that they needed a lot of help, and I called into my job and said I needed to take a short day vacation, because I needed my son to be a part of what was going on."

VOA: standard.2010.01.18