light power meter

例句：

1. 1. The engineer used a light power meter to measure the intensity of the light.
   工程师使用光功率计来测量光线的强度。
2. 2. The light power meter displayed that the sun's radiation was at a moderate level.
   光功率计显示太阳辐射水平适中。
3. 3. The light power meter showed that the room was well-lit, despite the dim lighting.
   光功率计显示尽管灯光昏暗，房间却很明亮。