名词
中文翻译：肺
同义词：
['lungs', 'pulmonary']
例句：
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1. He had a lung infection and was hospitalized for several days.
他得了肺感染，住院了几天。
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2. The doctor advised him to take deep breaths to help his lungs recover.
医生建议他深呼吸以帮助肺部恢复。
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3. Lung cancer is the leading cause of death in many countries.
肺癌是许多国家的主要死因。