名词
中文翻译：Unknown
同义词：
['calculus', 'stone', 'calculus disease']
例句：
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1. The doctor diagnosed her with a kidney stone.
医生诊断她患有肾结石。
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2. He was treated for a urinary calculus.
他被治疗了尿结石。
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3. The patient had to undergo surgery to remove the calculus from his gallbladder.
患者不得不接受手术，将胆囊中的结石取出。