lunar rays

例句：

1. 1. The moon's shadow cast by the Earth's shadow during a lunar eclipse is visible from space.
   在月食期间，地球的影子投射到月球上，从太空中可以观察到。
2. 2. Lunar ray is a term used to describe the light that passes through the Earth'satmosphere during a lunar eclipse.
   月食射线是指月食期间穿过地球大气层的光线。
3. 3. The scientists observed the lunar ray and recorded its intensity and duration.
   科学家们观察了月食射线并记录了其强度和持续时间。