所以它们被称为低能量食物。
我们时时刻刻讨论着能：“能量食物”，“能源危机”，等等。
We talk about energy all the time - "energy food," "energy crisis," and so on.
我们时时刻刻讨论着能：“能量食物”，“能源危机”，等等。
We talk about energy all the time - "Zilch, the energy food," "energy crisis," and so on.
高能量食物和作物已经在全世界抵消营养不良和营养过剩中广泛应用。
Energy dense foods and crops have been very useful in counteracting poverty and under nutrition in the whole world.
对于密西西比州这样一个几代以来一直食用高能量食物的州来说是非常困难的。
That's difficult for a state like Mississippi, where high calorie foods have been the tradition for generations.
你的新陈代谢率就是你身体将食物转换成能量的速度。
Your metabolic rate is the speed at which your body transforms food into energy.
没有食物，我们就会挨饿；没有能量，我们会感到寒冷。
比如说，像大象这样的大型动物比小型动物需要更多的食物和能量，而其后代比小型动物更少。
Large animals like elephants, say, they require much more food and energy and have fewer offspring than smaller animals.
大多数小树都有大大的深绿色叶子，这样它们就能捕捉到足够的阳光，并将其转化为食物和能量。
Most young trees have large, deep green leaves so that they can catch enough sunlight and change it into their food and energy.
氧气在细胞呼吸的新陈代谢过程中是必不可少的，它能使细胞有效地从有机食物中获取能量。
Oxygen is essential for the metabolic process known as cell respiration that allows cells to efficiently harvest energy from organic food.
日常摄入的水、食物和各类能量与输出的污水、固体废物、空气污染物、能源和经过某种转化的物质相匹配。
A daily input of water, food, and energy of various kinds is matched by an output of sewage, solid waste, air pollutants, energy, and materials that have been transformed in some way.
对于胃部较小的动物来说，不断寻找食物并消化的过程会消耗大量能量。
For animals with small stomachs, it takes lots of energy to constantly look for food and then digest it.
由于这些能量大部分来自化石燃料的利用，因此食物浪费有可能导致不必要的全球变暖以及资源利用效率低下。
Since much of this energy comes from the utilisation of fossil fuels, wastage of food potentially contributes to unnecessary global warming as well as inefficient resource utilisation.
海蛞蝓非常善于从太阳中收集能量，它们可以在不吃任何食物的情况下存活九个月。
The sea slugs are so good at gathering energy from the sun that they can live up to nine months without having to eat any food.
近年来，越来越多的研究表明，我们的食欲和食物摄入量除了受对能量的生理需求影响外，还受到许多其他因素的影响。
In recent years, a growing body of research has shown that our appetite and food intake are influenced by a large number of other factors besides our biological need for energy.
近年来，越来越多的研究表明，我们的食欲和食物摄入量除了受对能量的生理需求影响外，还受到许多其他因素的影响。
In recent years, a growing body of research has shown that our appetite and food intake are influenced by a large number of other factors besides our biological need for energy
非反刍动物并不能从植物的坚硬部分汲取太多能量；但是它们的肠胃能够快速地消化并且处理食物，从而大大地弥补了这方面的不足。
Nonruminants cannot extract much energy from the hard parts of a plant; however, this is more than made up for by the fast speed at which food passes through their guts.
陆上食物是非常有限的，根本没有什么能与一只海豹所能给北极熊提供脂肪和能量相比。
Food onshore is very limited and there is simply nothing comparable to a seal that provides a polar bear with fat and energy.
因此，较小的动物可以生活在食物较少的地方，只要这些食物的能量含量较高。
Smaller animals can therefore live where there is less food, provided that such food is of high energy content.
当食物短缺时，反刍动物比非反刍动物寿命更长，因为反刍动物可以从同样的食物中获得更多的能量。
When food is in short supply, a ruminant can last longer than a nonruminant because it can derive more energy out of the same food.
孩子们耗能多，可能比成人需要更多高能量的食物。
Children expend a lot of energy and may need more high-energy food than adults.
这是因为食物几乎总是触手可及的，而且它们不需要为严酷的冬天储存大量的能量。
It's because food is almost always within reach, and they don't have to store up a lot of food energy for the harsh winters.
他们有巨大的胃容量，能够在长时间段消化食物，以较慢的速度将食物转化为能量，为以后储存。
They had enormous stomach capacity, the ability to digest food over a long period, converting it to energy at a slower pace, saving it for later.
这些食物给他足够的能量。
当我们进食时，我们的身体利用食物来制造能量。
如果我们食用正确的食物和正确数量的食物，我们将有足够的能量让我们的身体和大脑正常工作。
If we are eating the correct food and the correct amount of the food, we will have enough energy for our bodies and minds to work properly.
晚间的身体储能的策略管理机制，也会产生额外的能量支出，这样夜莺就必须花更多时间找食物，来增加储能。
The strategic regulation of evening body reserves is also likely to incur additional costs, as nightingales must spend more time foraging in order to build up larger body reserves.
他发明了一个新的接穗方法，这种方法可以将两株南瓜上的能量和食物转移到一个果实上。
He has invented a grafting technique, for instance, that pushes the food and energy of two pumpkin plants into a single fruit.
卡路里就是食物中的能量。
卡路里就是食物中的能量。
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