A geodesic dome that size would make it possible to have complete control over the environment inside it.

VOA: special.2010.05.30

Finally, remember myelination, where you sort of get this fatty sheath over your neuron to make it more effective?

最后,回想一下髓鞘的形成,你会在哪里长出脂肪鞘,去包裹神经元,使得神经元更有效率

耶鲁公开课 - 心理学导论课程节选

So if you're trying to make a more complicated organic molecule carbon-carbon bonds are one of the most difficult things to make in organic chemistry, and it turns out that c n minus is a very reactive molecule, so it's a good way, even though we'll go over some drawbacks in a second, it is a good way to make carbon-carbon bonds.

如果你要合成一个更复杂的有机分子,碳碳键是有机化学中,最难制造的键之一，而实际上氰离子是一种具有很高活性的分子，用它是一个好办法，尽管我们一会儿将看到它的一些缺点，但它的确是一个制造碳碳键的好方法。

麻省理工公开课 - 化学原理课程节选

It is also useful because the mold can be used over and over again to make exact copies of the ceramic form.

VOA: special.2009.09.09

In other words, the banks were like customers of the Bank of England; they had to keep deposits there and the Bank of England watched them to make sure that they were behaving responsibly and had authority over them because it had market power.

换句话说，其他银行在英国就像是英国银行的客户;,其他银行不得不把钱存放在英国银行那,英国银行业负责监管着,其他银行的商业行为,也指挥着其他银行,因为英国银行有着控制市场的力量。

耶鲁公开课 - 金融市场课程节选

But it is getting an environmental make-over.

VOA: special.2009.05.22

But over time, we slowly got used to it and we try to make it as kid friendly as possible because kids are what we gear towards and they're the most important people that come through."

VOA: special.2010.07.28

And that has not been done yet." But Suleiman says funding shortfalls and concerns over security and violence in Somalia make it unlikely such surveys will be carried out any time soon.

VOA: standard.2009.10.06

Indeed,volatile food prices, population growth, low agricultural productivity and the potentially devastating effects of climate change make it a particularly daunting challenge. The IFAD president says over the past 30 years, agricultural productivity in developing countries has been stagnant or in decline. He blames it on years of under-investment.

VOA: standard.2010.03.29