名词
中文翻译：氧气
同义词：
['oxy', 'oxygen', 'oxygen gas']
例句：
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1.Oxygen is essential for the survival of all living things.
氧气对所有生物的生存都是必需的。
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2.The lungs are responsible for taking in oxygen and releasing carbon dioxide.
肺部负责吸入氧气并释放二氧化碳。
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3.Oxygen is a colorless, odorless gas that we breathe every day.
氧气是一种无色无味的气体，我们每天都在呼吸。