lighting power的用法和样例：
例句
- High voltage switch power supply supplies the high voltage for the electron gun, changing the density and brightness of ejected electrons.
高压电源给电子枪提供高压，改变发射出电子的密度以及亮度。 - While technology companies are offering solutions that will consume less power, users can increase the battery life of laptops by lowering the brightness of the computer screens.
同时技术公司将会提供解决能源的方案，使用者可以通过降低电脑屏幕的亮度延长电池的寿命。
