cislunar

1.the darkness of cislunar space.

月地空间的一片黑暗。

2.The LM was the lander portion of the Apollo spacecraft built for the Apollo program by Grumman to achieve the transit from cislunar orbit to the surface and back.

月舱是由格鲁曼制造的阿波罗宇宙陆舱的一部分，用于从日月间轨道的表面行到背面。