名词
中文翻译：肺泡
同义词：
['alveolus', 'alveolar例句：1. The lungs are responsible for oxygenating the blood and removing carbon dioxide.（肺部负责为血液提供氧气并排出二氧化碳。）2. During sleep', 'the alveoli in the lungs expand to increase the surface area available for gas exchange.（在睡眠期间，肺部的肺泡扩张以增加气体交换的表面积。）']
例句：
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1. The lungs are responsible for oxygenating the blood and removing carbon dioxide.
肺部负责为血液提供氧气并排出二氧化碳。
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2. During sleep, the alveoli in the lungs expand to increase the surface area available for gas exchange.
在睡眠期间，肺部的肺泡扩张以增加气体交换的表面积。
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3. Alveoli play a crucial role in the respiratory system by providing a large surface area for gas exchange.
肺泡在呼吸系统中起着至关重要的作用，通过提供大量的气体交换表面来发挥作用。