How do you power a spacecraft in deep space?
进入深空，我们如何驱动太空船？
But they're expensive, and the distance they can power a car is limited.
但这种电池价格昂贵，而能够驱动车辆所行驶的距离也很有限。
They power a blade in the water that the pilot can adjust to reduce drag.
他们在水中为一个划片供能，因此驾驶者可以调整以降低拖力。
Absent income growth, domestic demand will be unable to power a strong recovery.
如果没有收入的增长，国内需求则不能给一个强劲的复苏提供动力。
The electricity then flows through a wire to charge or power a battery or device.
同时电流通过电线给电池或者装置充电。
A power failure plunged everything into darkness.
电源故障使一切陷入黑暗。
A single red LED shows that the power is switched on.
单支红色发光二极管表示电源已接通。
A fine example has boundless power.
榜样的力量是无穷的。
You can't make a machine work without power supply.
没有动力，机器就不能转动。
If a home generates more power than it uses, the bill is zero.
如果一个家庭产生的电力比它所使用的要多，那么电费账单就是零。
Imagination is a valuable quality and motivating power, and stimulates achievement.
想象力是一种宝贵的品质，是一种激励的力量，它能激励人取得成就。
The printing press gave power to a few to change the world for the many.
印刷机赋予了少数人为多数人改变世界的力量。
In a democracy, power must be divided.
在民主政体中，权力必须被分散。
Jackson had been a major power broker in the presidential elections.
杰克逊曾是总统竞选中一名主要的权力经纪人。
She felt she was in a position of power.
她觉得她自己有权力。
After the election there was a swift transfer of power.
大选之后权力迅速交接。
China has once again emerged as a world power.
中国再次成为一个世界性的强国。
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。
Russia was being reborn as a great power.
俄罗斯经过复兴成为一个强国。
It would certainly be within his power to authorize a police raid like that.
他肯定有权批准那种警方突袭行动。
The rise of a major power is both economic and military in nature.
一个大国的崛起本质上既是经济上的，也是军事上的。
Diffusing a light also reduces its power.
使光线漫射也会减弱其能量。
Do some power walking for about twenty minutes a day.
每天做约20分钟的健走活动。
He is a strident advocate of nuclear power.
他是发展核能的坚定拥护者。
He is a strident advocate of nuclear power.
他是发展核能的坚定拥护者。
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