名词
中文翻译：老年病学家
同义词：
['senior physician', 'geriatrician']
例句：
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1. Dr.Smith is a renowned gerontologist who has made significant contributions to the field of geriatrics.
史密斯博士是一位著名的老年病学家，他在老年医学领域做出了重大贡献。
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2. She decided to pursue a career in gerontology after completing her residency.
在完成住院医师培训后，她决定追求老年病学的职业。
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3.The gerontologist recommended that she start taking vitamin supplements to improve her health.
老年病学家建议她开始服用维生素补充剂以改善健康状况。