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1·Lighting accounts for about 7% of the total electricity consumed in the US. Since lighting is often far removed from the power source—such as the distance from a power plant to street lamps on a remote highway—a lot of energy is lost during transmission.

在美国，照明约占总耗电量的7%。由于照明通常远离电源——例如从发电厂到偏远公路上的路灯——因此大量的能源在传输过程中会损失掉。

2·Connect Intake-tube with intake-tube of air filter of the rewinder, then get through entering power source.

将进气管与复卷机空气过滤器的进气管相连，然后进入电源。

3·I would like nuclear fusion to become a practical power source.

我期望聚变可以成为实用的能源。

4·Disconnect the power source from the computer before opening the back.

打开计算机的后部之前先切断它的电源。

5·The ultimate power source, antimatter packs more energy than nuclear fuel.

作为一种终极能源，反物质甚至蕴含着比核能还要多的能量。

6·First you have to unplug the monitor from the power source and from the computer.

首先，你得把显示器和电源及电脑相分离。

7·A radioisotope power source will provide heat and electric power to the rover.

而放射性同位素能量源可以为探测器提供热量和电能。

8·Will German carmakers master a technology that came of age as a power source for video games?

那德国的汽车制造者们是不是掌握了一项像视频游戏电源那样的成熟技术呢？

9·The Korean scientists, however, want to harness a different kind of power source: sound waves.

然而，韩国科学家想驾驭一种不同类型的能量源，那就是声波。

10·The project was saved when the computer switched to an emergency 10-minute back-up power source.

项目在计算机切换到一个可维持十分钟的紧急电源后被挽救了。