名词
中文翻译：外层空间
同义词：
['space', 'outer space', 'outer atmosphere例句：1. The astronauts were exploring the episphere of the moon.（宇航员们在探索月球的外层空间。）']
例句：
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1. The astronauts were exploring the episphere of the moon.
宇航员们在探索月球的外层空间。
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2.The rocket took off from the episphere of the earth.
火箭从地球的外层空间发射升空。
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3.The scientists are studying the episphere of the universe.
科学家们正在研究宇宙的外层空间。