cislunar flight

例句：

1. 1. The astronauts experienced a cislunar flight during their mission to the moon.
   宇航员们在前往月球的任务中经历了一次月食。
2. 2.During the cislunar flight, they observed the Earth's shadow on the moon.
   在月食期间，他们观察到了地球的影子投射在月球上。
3. 3. The cislunar flight is a rare event that occurs when the moon is between the earth and sun.
   月食是一种罕见的事件，当月亮位于地球和太阳之间时发生。