light converter

例句：

1. 1. The engineer designed a new type of light converter to improve energy efficiency.
   工程师设计了一种新型的光源转换器，以提高能源效率。
2. 2.The light converter was used in the experiment to test the effectiveness of the new technology.
   在实验中使用了光源转换器来测试新技术的有效性。
3. 3. The light converter is crucial for illuminating dark areas in the night sky.
   光源转换器对于照亮夜空中的黑暗区域至关重要。