| 释义 |
orbital debris
基本例句
空间碎片
The issue of space debris is a big challenge to further expansion of space activities.空间碎片问题是人类进一步开展航天活动所面临的一个重大挑战。
They are concerned because space debris can puncture the space station walls and jam mechanisms.他们关心空间碎片可以穿透空间站墙壁堵塞机构。 |