So they are under extra pressure to reduce emissions from cars, factories and other sources.

VOA: special.2009.12.12

Then we're going to take the newly formed vectors that now are recombinant, they're combined from at least two different sources.

然后就能得到这些重组的新载体,它们至少有两个不同的组成来源

耶鲁公开课 - 生物医学工程探索课程节选

It can come from animal sources and from vegetable sources, and the two have different impacts on health.

它可能来自动物,也可能来自植物,这两种对健康的影响各不相同

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

A blue-gray haze from natural and now manmade sources hangs over them like smoke.

VOA: special.2009.09.28

That is the good news.The bad news is there isn't a text that fits this syllabus, so we choose readings from various sources.And the text that I have chosen is the best of a bad lot.

那是个好消息，坏消息是,没有与课程大纲对应的课本，我们从很多的资源中选取阅读材料,我选的课本不过是糟粕中的精华。

麻省理工公开课 - 固态化学导论课程节选

Some children who do not get such allowances found money from other sources.

VOA: special.2010.02.05

Every society no matter of what kind requires a kind of faith in its ruling principles in its fundamental beliefs. But belief seems to be threatened from at least two sources.

每一个社会，无论其型态为何,都需要在其统治原则及基本信念中,加入些信仰，但是信念,似乎受到至少两项来源的威胁。

耶鲁公开课 - 政治哲学导论课程节选

But meats from organs and non-meat protein sources have little or no HCA.

VOA: special.2009.05.19

What about sources of protein, that and carbohydrate for you, and how do those look and where are you getting those from?

那蛋白质的来源呢,还有碳水化合物,这些都长什么样,你从何摄入这些元素

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Ninety percent of its money comes from private sources.

VOA: special.2010.07.26

So to be pure, one must separate ones self from sources of impurity.

想要变得纯洁，我们必须远离不纯洁的来源。

耶鲁公开课 - 旧约导论课程节选

"We also carefully consider the sources of exposure of populations to radiofrequency electromagnetic fields, the nature of these fields as they come from various devices, including wireless phones, and we look carefully at the physical phenomenon by which exposure to such fields may perturb biological systems and lead to cancers."

VOA: special.2011.06.06

If you look at sources of these different carbohydrates, the glucose comes from fruit.

如果你研究这些不同碳水化合物的出处,水果中含有葡萄糖

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Kakutani says the biggest challenge is finding new fish from sustainable sources to introduce to the public.

VOA: standard.2010.07.14

Sugars come from many sources.

糖存在于很多食物中

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Nevertheless, he says Ethiopia is among the countries where AIDS is spreading from several different sources.

VOA: standard.2009.11.15

Now these were important changes because humans of course can-- are omnivores and can eat both plants and animals, and therefore, the ability to secure nutrients from these different sources became very appealing to humans.

这些是很重要的变化,显然人类现在,是杂食动物,能够进食植物和动物,因为营养来源的多元化,对人类来说很重要

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Some mountainous regions benefit from hydropower. Less than four percent of the nation's electricity demand is met with renewable sources like solar and wind power.

VOA: standard.2010.03.23

Fat is not all that much different, but one thing that's happened is the type of fat has changed a lot, and so people are eating less fat from plant sources and more fat from animals sources That's where the saturated fat comes in and high saturated fat intake is not a good thing.

脂肪摄入量相差无几,然而脂肪的种类却发生了很大变化,人们越来越少从植物中摄取脂肪,而更多是从肉类食物中获得,肉类食物中含有饱和脂肪酸,而过多地摄入饱和脂肪酸是有害的

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

"I'm still hearing from multiple sources that Miami is the frontrunner;

VOA: standard.2010.07.08

and Lila wanted to offer serious non-fiction, condensed from other sources.

VOA: standard.2010.03.08

By the same year,it says, will come from renewable sources.

VOA: standard.2009.11.26

"If you look at the content of Lech Kaczynski's policies, it was basically this sense of threat to Poland coming both from external sources, from Russia,from Germany, from the European Union."

VOA: standard.2010.06.17

Nor is generating fuel from renewable sources.

VOA: standard.2010.02.23

We must be extra vigilant, The government must play its role as to make the environment safe and remove all environmental factors cancer. (OMITTED) Good sources of drinking water, he says,will stop people from going to streams and ponds, where they get infected with some of these organisms.

VOA: standard.2010.06.16

"Development is a right and that should continue but that perhaps paths where there could be a reconciliation of the objective of poverty reduction, enhanced standards of living, a life of greater dignity in developing countries can be reconciled with climate objectives by shifting the sources of energy away from the fossil fuels to the cleaner and lower carbon emissions.

VOA: standard.2009.09.01