He tells these teenagers the key to being an astronaut is having a solid background in math and science.

VOA: standard.2010.02.02

And, furthermore, to put the background in front, 1s2 2s2 2p3 let's do the electronic structure. It is 1s2, 2s2, 2p3.

此外，把他的背景知识都翻出来，我们分析一下电子结构，这是。

麻省理工公开课 - 固态化学导论课程节选

So, what I want to do now is, with that background in mind, I want to take this up and just open up the first few pages.

所以我想要做的事，记着这个背景，我想要打开几页小说。

耶鲁公开课 - 1945年后的美国小说课程节选

a girl balances on one leg, holding her foot and glowering at a blushing boy, while another young couple dance in the background.

VOA: standard.2010.08.09

So, there we go. But somewhat here in war and peace of battle is slowly being relegated to the background.

所以战争与和平问题,就慢慢转移到这个背景上

耶鲁公开课 - 欧洲文明课程节选

There is also a scene of a banner with an American flag in the background and the New York City skyline with the destroyed World Trade Center twin towers.

VOA: standard.2009.09.14

This is a story about mechanical objects, -- some of which move-- -- remember those smiling houses in the background-- and some of which are stationary, but they're all mechanical objects.

这是一个关于会活动的，机械的故事-,还记得那些作为背景微笑的房子吗？,它们不会动但也都是机械的东西。

耶鲁公开课 - 文学理论导论课程节选

"We are finding that this is not only in the backward economy of developing countries, even though most forced labor today is indeed in the informal or the background agricultural sector of Asia, Latin America and then Africa."

VOA: standard.2009.08.21

We have the preamble, and the historical background to the covenant in God's summary introduction to the people in Exodus 20: "I am Yahweh who brought you out of the land of Egypt."

我们有开场白，签订契约的历史大环境,就像《出埃及记》20中上帝总结性的介绍：,“我是将你们从为奴之地领出来的耶和华“

耶鲁公开课 - 旧约导论课程节选

they were thrilled to see the subway station, the train station because they notice right way it didn't look like the train station that they are familiar with and they could see the little shops in the background.

孩子们看到地铁，和火车站的时候很高兴,因为他们立刻意识到,这里的火车站,和他们的所熟悉的火车站不一样,他们能看见背景里的小商铺。

麻省理工公开课 - 媒体、教育、市场课程节选

In Crane, in his great poem The Bridge- and here's another photo by Evans, this time of Crane on the rooftop of the apartment building in Brooklyn, 110 Columbia Heights where he lived and where he began the poem, with the bridge in the background.

在克莱恩杰出的诗篇《桥》里-,这里还有埃文斯拍的另一张照片，这次克莱恩站在他位于布鲁克林区，哥伦比亚高地,公寓楼的屋顶上,他就是在此开始创作诗篇，背后是布鲁克林大桥。

耶鲁公开课 - 现代诗歌课程节选

And the fact that we're always facing some risk of death recedes into the background in the way that most of us don't hear background noise-- that what jumping out of an airplane does for you is it spikes the risk of death.

我们一直面对的某些死亡的风险,这种情况下变成了背景声音,因为我们大部分人都听不到背景的噪声-,而跳下飞机带给你的,是死亡的风险上升。

耶鲁公开课 - 死亡课程节选

Every Saturday morning I'm going through Stop 'N Shop and there's Nora Jones in the background playing.

每周六我都会路过"Stop 'N Shop"超市,那里总在放诺拉·琼斯的歌

耶鲁公开课 - 聆听音乐课程节选

But then there is this very explicit discussion of her Catholicism, a little further down: My background and my inclinations are both Catholic, and I think this is very apparent in the book.

然后这里有一段非常明确的,关于她的天主教义的讨论，在往下看一点：,“天主教是我的背景和取向，我想这在书中有很明显的体现。

耶鲁公开课 - 1945年后的美国小说课程节选