名词
中文翻译：空气
同义词：
['air', 'atmosphere', 'ambience', 'environment']
例句：
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1. The scientistconducted an experiment to study the effect of AER on human health.
科学家进行了一项实验，研究空气质量对人类健康的影响。
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2.The city is surrounded by a beautiful AER that makes it a popular tourist destination.
这座城市被美丽的大气层包围，是热门的旅游目的地。
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3. The AER in the room was so thin that we could see through it.
房间里的空气质量太薄了，我们能透过它看到外面。