名词
中文翻译：Unknown
同义词：
['surgery', 'operation', 'removal', 'excision']
例句：
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1. The patient underwent a radical surgery to remove the tumor.
患者接受了一次彻底手术来切除肿瘤。
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2. The doctor performed an operation to repair the damaged heart valve.
医生进行了一次手术来修复损坏的心脏瓣膜。
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3. The surgeon performed a removal of the cancerous tissue from the patient's liver.
外科医生从患者的肝脏中移除了癌组织。