geriatrics
[ˌdʒerɪ'ætrɪks]
n.
（作单数用）老人病学，老人病科;
老年医学的，老年病学的( geriatric的名词复数 );
例句:
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He is looking for a ghostwriter with a background in geriatrics.
来自NEWYORKER
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He will complain about having to spend time with such a boring bunch of geriatrics.
得跟这么一群无聊的老家伙呆在一起，他会满腹牢骚的。
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Geriatrics is for freaks who live with their mothers and never have sex.
老人病科是为那些和父母生活在一起,没有过性生活的怪人准备的.
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The study is in the Journal of the American Geriatrics Society.
这项研究被发表在美国老年医学学会期刊上.
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He was a national leader in geriatrics for five decades.
来自NEWYORKER
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Some geriatrics I know like to keep faux flowers and plants around.
来自WSJ