名词
中文翻译：外层大气圈
同义词：
['exosphere', 'outer atmosphere']
例句：
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1.The asthernosphere is the layer of the Earth's atmosphere that extends from the surface to about 100 kilometers above it.
外层大气圈是地球大气层从表面延伸到大约100公里以上的那一层。
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2. The asthernosphere plays a crucial role in the Earth's climate system.
外层大气圈在地球的气候系统中起着至关重要的作用。
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3. Researchers have been studying the asthernosphere for decades, trying to understand its impact on the environment.
研究人员已经研究了外层大气圈几十年，试图理解它对环境的影响。