名词短语
中文翻译：新生儿的肺出血
同义词：
['neonatal hemorrhage', 'neonatal lung hemorrhage', 'neonatal pulmonary hemorrhage']
例句：
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1. The infant's sudden death was attributed to a pulmonary hemorrhage of unknown origin.
婴儿突然死亡，原因不明，被归咎于肺出血。
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2. The newborn baby had a severe pulmonary hemorrhage that required immediate medical attention.
新生儿出现了严重的肺出血，需要立即医疗干预。
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3. The diagnosis of pulmonary hemorrhage in the newborn is often challenging due to its non-specific symptoms.
新生儿出现肺出血的诊断往往很具挑战性，因为其症状非特异性。