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1·Forty percent of that powers old-fashioned incandescent light bulbs—a 19th-century technology that wastes most of the power it consumes on unwanted heat.

其中40%的电能用于老式白炽灯——这是19世纪的一项技术，它所消耗的大部分电能都浪费在制造多余的热量上。

2·Old-style incandescent light bulbs generate heat as well as light.

小贴士和提醒：老式的白炽灯泡既可以散热还可以照明。

3·Incandescent light bulbs and fluorescent tubes are not really suitable for modulation.

白炽灯和日光灯的光其实并不适合调制。

4·Neither are vending machines or incandescent light bulbs or cellphones or laptop computers.

无论是用来买卖的机器、白炽灯泡、移动电话或者笔记本电脑，也同样面临着危机。

5·It may be hard to believe, but in just a few years, incandescent light bulbs will be history.

很难相信，仅仅几年内，白炽灯将成为历史。

6·The old kind are called incandescent light bulbs and once upon a time they were new themselves.

这种旧灯炮便是白炽灯炮，曾经有一段时间，它们也是新宠儿。

7·It is used in luminescent tubes, flash lamps, incandescent light bulbs, lasers, and tracer studies.

氪用于萤光管、闪光灯、雷射以及示踪研究。

8·Ultimately, incandescent light bulbs will end up in a museum, just like vacuum tubes did for electronics, he says.

他讲，“最后，白炽灯会进博物馆，就像电子学的真空管那样。”

9·Europe committed itself to generating 20% of its energy from renewables by 2020, and banned incandescent light bulbs.

欧洲致力于到2020年，20%的能源来源于可再生能源，并且禁止出售老式白炽灯泡。

10·The prospects of replacing today’s inefficient incandescent light bulbs with long-lasting, low-power LEDs are increasing.

时下低效的白炽灯泡被更长寿、更节能的LED灯取代的前景越来越明朗了。