自1914年以来，科学家们已经知道，以V字形队形飞行的鸟类消耗的能量更少。
Since 1914, scientists have known that birds flying in formation—a V-shape—expend less energy.
其他鸟类在上升流中飞行时受到的阻力减小了，它们在推动自身前进时消耗的能量也减少了。
Other birds flying in the upwash experience reduced drag, and spend less energy propelling themselves.
最大的数据中心所消耗的能量可以和炼铝厂的能耗相匹敌。
The largest data centres now rival aluminium smelters in the energy they consume.
当然，当人们摄入的能到超过他们消耗的能量时，体重就会增加。
Of course, people put on weight when they consume more calories than they burn off.
实际上，没运输一单位的货物，卡车消耗的能量是火车的十倍之多。
In fact trucks consume 10 times more energy per than trains per unit of cargo.
本质上来说，体重的管理归结于：你活动得越多，你消耗的能量也越多。
Basically, weight management comes down to this: the more active you are, the more calories you burn.
平均来看，大猩猩两条腿行走时消耗的能量与四肢着地行走时的差不多。
And the chimps, on average, use as much energy using two legs as they did when they used all four limbs.
摄入的热量和消耗的能量之间的平衡主要决定了你身体重量的增加或减少。
Your weight is largely determined by how you balance the calories you eat with the energy you burn.
为了保持等式两边相等，另一边则应是在提纯、运输和加油时所消耗的能量。
To ensure apples are compared with apples, the other side of the equation has to take into account all the energy wasted in refining and transporting the petrol and pumping it into a car.
剑桥大学的研究人员分析了人脑构造，并计算出人脑细胞运作需要消耗的能量。
Cambridge University researchers have analyzed the structure of the brain and worked out how much energy its cells use up.
通过分析还发现如果不考虑身高的因素，那么每个人每步消耗的能量是相等的。
Analysis also found that everyone used the same amount of energy per stride, regardless of height.
一个孩子学会开灯关灯的时候，他的大脑消耗的能量超过地球上最复杂的电脑。
When a child masters turning on and off a light switch, his brain has expended more energy than the most complicated computer that we have on earth.
为了揭示这个有悖常理的发现，卡尔博士观察了在地球及月球上跑步及走路所消耗的能量。
To explain this counter-intuitive finding, Dr Carr looked at the energy expenditures behind running and walking on Earth and on the moon.
你可以利用这一效应制造一种手机中的振子，它消耗的能量要比现今使用的更少。
You might use this effect to create an oscillator in cell phones that would use less energy than those in use today.
第二电离能简单地说就是，在你已经拿走一个电子以后，再拿走第二个电子，所需要消耗的能量。
So, second ionization energy simply means you've already taken one electron out, now how much energy does it take for you to take a second electron out.
问题是现在没有人能找到一种方法来使聚变反应产生的能量大于反应本身要消耗的能量。
The problem is, no-one has found a way of making fusion reactors produce more energy than they consume to run.
被消耗的能量(与鸟和飞机的速度相加的平方成正比)将大约是半吨的重物落下十英尺。
The energy to be dissipated (proportional to the square of the combined speed of bird and plane) would be more like half a ton being dropped ten feet.
它同时宣称生产以及运输一张DVD消耗的能量相当于观看整整3天的youtube。
It also claims that producing and shipping a single DVD USES as much energy as watching YouTube non-stop for three days.
他同样怀疑甲烷水合物，认为它们包含的能量比释放并获得它们所需要消耗的能量还要少。
He is equally sceptical about methane hydrates, arguing that the energy they contain is less than the energy needed to release and secure it.
这种情况发生在他们吸收的能量多余消耗的能量时，未消耗的能量就以脂肪的形式被储存下来。
That occurs when they take in more energy than they expend. The unused energy is stored as fat.
原则上来说，中国熔炉理应为其消耗的能量支付市场利率，这笔开支可能占到成本的40%之多。
In principle, Chinese smelters are supposed to pay a market rate for the power they consume, which can account for as much as 40% of costs.
沃尔夫预计，只要世界上不到1%的沙漠地带得以利用，就可以生产出足够当今世界消耗的能量。
Wolff estimates that less than 1% of the world's deserts would provide enough space to produce as much electricity and the world currently consumes.
这次我们要做的是关于硅的，我们来看看大家是不是，能够为我指出那一项需要消耗的能量最少。
And in this case we're going to look at silicone, and we'll say if you can point out to me which requires the least amount of energy.
回收它们所需要消耗的能量，跟重新开掘并提炼相同质量金属的能耗相比，只是一个很小的数目而已。
Recycling it requires only a tiny fraction of the energy consumed when mining bauxite and refining it into the same amount of metal.
它补充道：“在你搜索时候，你自己的电脑所消耗的能量要比我们回复你的答案所消耗的能量高多了。”
It adds: ""In the time it takes to do a Google search, your own personal computer will use more energy than we will use to answer your query."
嚼芹菜，虽然看起来好像是一件费劲的事情，但其消耗的热量与什么也不做所消耗的能量相比，几乎一样。
Although chewing celery might seem like a strenuous activity, it burns about the same amount of calories as watching grass grow.
“除非是做特别剧烈的瑜伽运动，否则你实际消耗的能量不足以减肥。”克里斯多说，他练习瑜伽已经有10年了。
"Except for very strenuous yoga practices, you don't really burn enough energy to make any difference in terms of weight," said Kristal, who has practiced yoga for 10 years.
在这两种想法中我很难抉择：是认为这听上去真够坏的——“震撼：Google消耗的能量和一个国家一样多！”
I'm torn between thinking that this sounds like an awful lot - "Shock: Google emits as much as a country!"
在这两种想法中我很难抉择：是认为这听上去真够坏的——“震撼：Google消耗的能量和一个国家一样多！”
I'm torn between thinking that this sounds like an awful lot - "Shock: Google emits as much as a country!"
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