调光器

例句：

1. 1.The sun dimmed the sky with its golden light.
   太阳用它的金色光芒使天空变得暗淡。
2. 2. The painting was dimming as the lights went out.
   随着灯光熄灭，那幅画开始显得昏暗。
3. 3.The streetlights dimmed as night fell.
   夜幕降临时，街灯开始变暗。