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Outer space
01
外层空间, 宇宙空間
the space outside the earth's atmosphere
Example
Outer space is characterized by the absence of air, so astronauts must wear spacesuits to survive the vacuum and extreme conditions.
外层空间的特点是缺乏空气，因此宇航员必须穿着宇航服以在真空和极端条件下生存。
The International Space Station ( ISS ) orbits Earth in outer space, providing a laboratory for scientific experiments in microgravity.
国际空间站（ISS）在外层空间绕地球运行，为微重力下的科学实验提供了一个实验室。
