名词
中文翻译：肾石
同义词：
['renal stone', 'renal calculus']
例句：
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1.He was diagnosed with a nephritic stone and had to undergo surgery.
他被诊断出患有肾石，并不得不接受手术。
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2. The patient's condition worsened after the nephritic stone was removed.
患者在肾石被移除后病情恶化。
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3. The doctor advised him to stay hydrated and avoid foods that can cause kidney stones.
医生建议他多喝水，避免可能导致肾结石的食物。