space debris environment

例句：

1. 1.The study of space debris is crucial for understanding the impact of human activities on the universe.
   研究太空碎片对于理解人类活动对宇宙的影响至关重要。
2. 2. The space debris environment poses significant risks to astronauts and spacecraft.
   太空碎片环境对宇航员和航天器构成重大风险。
3. 3. In order to mitigate the risk, a comprehensive plan for space debris management has been developed.
   为了减轻风险，已经制定了一个全面的太空垃圾管理计划。