| 释义 |
outer spacen.（名词）- Any region of space beyond limits determined with reference to the boundaries of a celestial body or system, especially:宇宙空间：超出由天体或天体系统的疆界所决定的界限之外的宇宙空间，尤指
- The region of space immediately beyond Earth's atmosphere.外层空间：刚超出地球大气层的宇宙空间
- Interplanetary or interstellar space.宇宙空间：行星际空间或星际空间
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