荧光

例句：

1. 1. The scientist used a special device to observe the fluorescence of the sample.
   科学家使用了一种特殊的设备来观察样品的荧光。
2. 2. The streetlights in the city are powered by fluorescent bulbs.
   城市的街灯由荧光灯泡供电。
3. 3. The new product is designed to have a high level of fluorescence for better display.
   这款新产品设计有很高的荧光水平，以获得更好的显示效果。