Children expend a lot of energy and may need more high-energy food than adults.
孩子们耗能多，可能比成人需要更多高能量的食物。
These materials turn from a solid into a liquid absorbing energy as they change phase.
这些材料在相变时从固体转变为吸收能量的液体。
A new filter can save on energy bills.
一个新的过滤器能节省能源开支。
He has the physique and energy of a man half his age.
他有着小他一半年纪的人的体格和精力。
In the exam there's sure to be a question on energy.
考试时准有关于能量的题目。
Fruit is a convenient source of vitamins and energy.
水果是维生素和能量的便利来源。
On a global scale, 77% of energy is created from fossil fuels.
全球77%的能量产生自化石燃料。
Achieving success at this level requires a commitment of time and energy.
取得这种水平的成就需要花费时间和精力。
They are seeking a central, directive role in national energy policy.
他们正寻求在国家能源政策方面起中心指导作用。
Recently much of their energy has gone into planting a large vegetable garden.
最近，他们的大部分精力已经花在种植一个大型蔬菜园上。
The success of wind power represents a litmus test for renewable energy.
风能利用的成功是对可再生能源的一次立见分晓的检验。
They do not want to expend energy in what, to them, is a lost cause.
他们不想把精力投到他们认为注定不会成功的事中去。
Age brought a gradual diminution of his strength and energy.
年龄使他的体力和精力逐渐减退。
An hour of exercise after a long day of writing gives me energy.
经过一天漫长的写作之后，一小时的锻炼赋予了我能量。
Just like the Big Bang, we have huge energy in a small space.
正如宇宙大爆炸一样，我们在一个小空间里面有巨大的能量。
Find a new material for storing energy.
寻找一种储存能量的新材料。
Wind power is a very clean source of energy.
风能是一种非常清洁的能源。
Wind power is a very popular source of energy.
风力是一种非常受欢迎的能源。
The government is pushing ahead a new scheme for clean energy.
政府正在推动一项关于清洁能源的新计划。
In many parts of the world renewable energy is already a principal energy source.
在世界许多地方，可再生能源已经是一种主要的能源来源。
In a year, the electric buses use 72.9% less energy than the traditional ones.
一年内，电动公交车比传统公交车少消耗72.9%的能源。
They devote all of their energy to a period of growth and reproduction.
它们把所有的精力都投入到生长和繁殖的阶段。
In a recent speech in Iowa, he dismissed wind power as an unreliable energy source.
最近在爱荷华州的一次演讲中，他将风力发电视为一种不可靠的能源。
It's a waste of time and energy.
那是浪费时间和精力。
The energy is released by combustion on the application of a match.
能量通过点火柴燃烧释放出来。
I felt a need to please people, whatever the cost in time and energy.
我感到一定要使人们满意，耗费多少时间和精力都在所不惜。
He was a man of stupendous stamina and energy.
他是个有着一流耐力、精力充沛的人。
There has been a move away from nuclear energy.
人们对于原子能的看法已经转变。
Oh, it's going to have a seesaw of energy.
哦，能量会来回变动。
Worry is a robber of time and energy.
焦虑是时间和精力的强盗。
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