名词
中文翻译：难治性结石
同义词：
['resistant stone', 'intractable stone例句：1. The patient had arefractory stone that required surgeryto remove.（患者有一颗难治性结石，需要手术来移除。）']
例句：
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1. The patient had arefractory stone that required surgeryto remove.
患者有一颗难治性结石，需要手术来移除。
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2. The doctorprescribed medication to help the patient with hisrefractory stone.
医生开了药给患者治疗他的难治性结石。
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3.The treatment for refractory stonesis often complex and requires multiple procedures.
治疗难治性结石通常很复杂，需要多次手术。