光线
Meanings
1. light ray (classifier 條|条 tiao2 ,道 dao4)
2. light
3. illumination
4. lighting (for a photograph)
Characters used
Examples4
拍
There is insufficient light to take pictures.
室内
The room lighting is sufficient.
爱因斯坦
Einstein predicted that the Sun's gravity would bend light.
飞蛾
Moths are attracted by light.