luminance amplifier

例句：

1. 1. The new lamp has a much brighter light than the old one.
   新灯比旧灯亮得多。
2. 2.The room was bathed in the warm glow of the streetlights.
   房间被街灯的温暖光芒所笼罩。
3. 3. The scientist used a special device to measure the luminance of the stars.
   科学家使用一种特殊的装置来测量星星的光亮度。