名词
中文翻译：外部副鼻窦
同义词：
['external paranasal sinus', "external ethmoid sinus例句：1. The patient's condition was complicated by the presenceof an external postgenual bursa.（患者的病情复杂，伴有外部副鼻窦。）"]
例句：
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1. The patient's condition was complicated by the presenceof an external postgenual bursa.
患者的病情复杂，伴有外部副鼻窦。
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2.The doctor performed a biopsy todiagnose the cause of the external postgenual bursa infection.
医生进行了活组织检查以诊断外部副鼻窦感染的原因。
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3.The patient required surgery to remove the externalpostgenual bursa, which hadbecome infected.
患者需要进行手术来移除外部副鼻窦，该区域已经感染。