名词中文翻译
中文翻译：外层空间
同义词：
['exosphere', 'outer space']
例句：
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1.The ectosphere is the outer layer of our atmosphere.
外层空间是我们大气层的外层。
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2. Astronauts spend a significant amount of time in the ectosphere during their missions.
宇航员在任务期间在外层空间花费大量时间。
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3. The ectosphere is home to many planetary bodies and asteroids.
外层空间是许多行星体和小行星的家园。