Mr.Obama says the projects will create thousands of jobs and generate enough clean energy for tens of thousands of homes.

VOA: standard.2010.07.03

Yes. In fact, there is not enough energy in a single photon to go ahead and eject an electron from this zinc surface.

是的，事实上，这里的光子没有足够的能量,去从锌表面逐出一个电子。

麻省理工公开课 - 化学原理课程节选

So in this case, we don't have enough energy to eject an electron, so, an electron is not ejected.

所以在这种情况下，我们没有足够的能量,去逐出一个电子，这样没有电子被逐出。

麻省理工公开课 - 化学原理课程节选

By 2013,Lithuania wants to have a new natural-gas power plant, but experts caution that this will not be enough to meet the country's energy needs.

VOA: standard.2010.01.01

But if you have enough energy, or you have too much energy stored in your body and body fat, then the brownie's not such a good idea because it provides too much, and of course not nearly the nutrients that the broccoli would provide.

但如果你的身体能量充沛,或者能量过多,体态肥胖,那么布朗尼提供过多热量,不是首选,提供的营养素也不及花椰菜

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Hershkowitz says,ideally, the Gulf cleanup's oily trash should be disposed of in an energy-producing furnace, but there are currently no facilities large enough to handle the volume of waste being generated by the cleanup efforts.

VOA: standard.2010.08.05

Now, if this incident energy is great enough it will take an electron out of the ground state and promote it.

现在，如果入射能足够的话,它会将一个电子从基态中释放出来,并且加速它。

麻省理工公开课 - 固态化学导论课程节选

So, ideally what we did see was, in fact, it does have enough energy with the UV lamp, it wasn't a dramatic shift you saw because we didn't start very high and then it went to that stuck point.

所以，理想上我们所看到的，事实上，紫外灯没有足够的能力，因为我们没有从非常高开始,所以它没有一个特别显著的移动,然后它又回到了黏着点。

麻省理工公开课 - 化学原理课程节选

If the bonding energy is very strongly negative, thermal energy isn't great enough to disrupt those bonds and allow those bonds to be broken and then have fluidity.

如果键能非常强，热能并不足以,打破这些化学键,破坏这些化学键,并使它们液化。

麻省理工公开课 - 固态化学导论课程节选

If you take in more calories than you consume, it gets stored in the fat cells, that's the energy bank that you can draw upon if you don't have enough food and starvation or famine were an issue.

如果你摄入的热量超过消耗的,热量就会存储在脂肪细胞中,这就是能量库,你可以在,食物不够以及饥饿或饥荒的时候利用它

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 what about who thinks that we will not have enough energy here?

那谁认为这种情况下,没有足够的能量呢？

麻省理工公开课 - 化学原理课程节选

Well, we can't guarantee with UV light we'll have enough energy to eject every single electron, so that's why when we use x-rays, they're higher energy, you can pretty much be guaranteed we're going to eject all of those electrons there.

好，我们不能保证紫外光有足够的能量,激发出每一个电子，所以我们要使用，X，射线，它的能量更高，你可以非常确定,我们可以激发出其中所有的电子。

麻省理工公开课 - 化学原理课程节选