Renewable sources of energy must be used.
可再生的能源必须利用。
Nuclear fission releases tremendous amounts of energy.
核裂变释放出巨大的能量。
With their tall canopies basking in the sun, they capture vast amounts of energy.
它们高高的树冠沐浴在阳光下，捕捉了大量的能量。
Close your eyes and imagine a ball of energy moving up your spine and into your heart.
闭上你的眼睛，想象一个能量球正从你的脊柱往上移动并进入你的心脏。
It follows from the above that sparing use of energy reserves should tend to extend life.
由此可知，节约使用能源储备可以延长寿命。
Humanity has been trying to use the sun's light as a reliable source of energy for centuries.
几个世纪以来，人类一直试图利用太阳的光作为可靠的能源。
The air up there is a vast potential reservoir of energy if its intermittency can be overcome.
如果能克服空气的间歇性，那么这里的空气就会是一个潜能巨大的的能量储存器。
It could be better to improve the public service or cut the price of energy use in daily life.
改善公共服务质量或者是降低日常生活中的能源使用价格可能会更好。
The expenditure of energy is essentially a process of budgeting, just as finances are budgeted.
能源支出本质上是一个预算编制的过程，就像财务预算一样。
In fact, any new source of energy will be very welcome, as there is already a shortage of petroleum.
事实上，任何新的能源都将受到欢迎，因为石油已经短缺。
There couldn't be any plant or animal life since there's no sunlight, no source of energy to make food.
那里不可能有任何植物或动物，因为没有阳光，没有能源来制造食物。
Therefore, anyone who feels drained of energy for weeks on end should have a thorough physical check-up.
因此，任何连续几周都感到精力不足的人应该进行一次彻底的身体检查。
If we cultivate just that kind of plant, we only put tiny amounts of energy in and the plants still grow nicely.
如果我们只种植那种植物，我们只需投入少量的能量，并且植物仍然可以良好地生长。
This impact released an enormous amount of energy, excavating a crater about twice as large as the lunar crater Tycho.
这次撞击释放了大量的能量，挖出了一个大约有月球上的第谷陨石坑两倍大的陨石坑。
The increase of energy will even make you more willing to exercise, and that will raise your overall energy even more.
能量的增加甚至会让你更愿意锻炼，这会让你的整体能量增加更多。
In the past, the young have eagerly participated in national service and civic affairs, often with lots of energy and idealism.
过去，年轻人热衷于参与国家服务和公民事务，往往充满了活力和理想主义。
Fireflies and some fish have the power to manufacture their own light, but the process seems to consume a large amount of energy.
萤火虫和某些鱼类可以用自己的能量自身产生光，但这个过程似乎会消耗大量的能量。
Supplying power to trains in this way would offer the shortest distance from well to wheels with the least amount of energy lost.
用这种方式为火车提供动力，将使井口到车轮之间的距离最短，而且损失的能源最少。
When the wind makes waves, it transfers important amounts of energy—energy that is therefore not available to provide turbulence.
当风产生波浪时，它会转移大量的能量，因此这些能量无法提供湍流。
In physics, moving objects have two characteristics relevant to understanding the dynamics of energy systems: inertia and momentum.
在物理学中，运动的物体有两个特征与理解能量系统动力学相关：惯性和动量。
Supplying power to trains in this way would offer the shortest distance from well to wheels he says with the least amount of energy lost.
他说，以这种方式为火车提供电力将使从井口到车轮的距离最短，而损失的能源也最少。
For those who truly wish to reduce the amount of energy expended on lighting, the answer may not be to ban old-fashioned incandescent bulbs.
对于那些真正希望减少用于照明的能源消耗的人来说，答案可能不是去禁止使用老式的白炽灯泡，而是强制使。
Ecosystems thus involve the circulation, transformation, and accumulation of energy and matter through the medium of living things and their activities.
因此，生态系统以生物及其活动作为媒介，涉及能量和物质的循环、转化和积累。
The sun basically provides Earth with virtually unlimited source of energy everyday, but the problem has always been how do we tap this source of energy.
基本上，太阳每天为地球提供几乎无限的能源，但问题一直是我们该如何利用这能源。
The coming together of the oppositely charged particles neutralizes the electrical tension and releases a tremendous amount of energy, which we see as lightning.
相反的带电粒子聚集在一起，抵消了电的张力，释放出大量的能量，就是我们看到的闪电。
He resented her inertia, her lack of energy and self-direction.
他讨厌她的懒惰、缺乏活力和自我。
The paradox of exercise is that while using a lot of energy it seems to generate more.
锻炼的矛盾之处在于消耗很多能量却似乎又产生更多能量。
Young people are full of energy.
年轻人精力充沛。
你可以充满活力。
Maria is always full of energy because she takes exercise every day.
玛丽亚总是精力充沛，因为她每天锻炼。
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