ray radiation

例句：

1. 1. The sun emits rays of light that illuminate the entire planet.
   太阳发射出光线，照亮整个地球。
2. 2. The scientist used a special lens to capture the ray of sunlight.
   科学家使用特殊的透镜捕捉到阳光的射线。
3. 3. The ray of hope is shining through the darkest of times.
   希望的射线在最黑暗的时刻闪耀。